Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... nd of August, so most any weather can be seen. Chance of Cloudy Day 0 %. Showing: All Year January February March April May June July August September October November December. July is the hottest month for West Yellowstone with an average high temperature of 78.4°, which ranks it as one of the coolest places in Montana. Daytime temperatures are usually in the high 70s, but you’ll want to be aware that this is wildfire season. #mailpoet_form_1 .mailpoet_column_with_background { padding: 10px; } In West Yellowstone, there are 2 comfortable months with high temperatures in the range of 70-85°. 30.09 "Hg. 52 °F. Bison can change from looking quite docile to charging in a heartbeat. Found insideAUGUST 1985 .51 7 ALTA I NNW JEFFREY CITY LA BARGE WNW LAKE YELLOWSTONE LANCE CREEK 10 N .77 0 .02 1,01 , 00 .16 .07 .30 .id 1.52 2,03 1,01 .01 .03 .06 .01 ... Found inside – Page 48Pinwheel Geyser became irregular in August ( Yellowstone informal records , A. Nash , p . ... was turbid and boiling wildly ( temperature 84 ° C ) . Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... Low Temp: 9 °F. Found inside1: Initial Water Temperature Time___:___ AM/ PM Temperature_____ °F / ______ °C Turbidity Gin Clear Clear Murky Roiled Muddy Drift Aquatic Vegetation ... Plus, all of the park's facilities will be open. Wildland Trekking offers trips with the best of Yellowstone: geysers, waterfalls, views, wildlife, solitude, adventure and fascinating natural and cultural interpretation. That means that if you follow a link and make a purchase, I receive a small portion of that purchase at no extra cost to you. Fly fishing the Yellowstone River in August is defined by long, sunny days fishing one of the West’s most scenic rivers. You can jump to a separate table for each region of the state: Northwest, Southwest, North - Central, Northeast and Southeast Wyoming. You’ll notice that September 2020 had a low of 18°F and a high of 82°F. Months with the lowest UV index are January and December (UV index 1). Found inside – Page 130At Billings windspeed averages 9.6 miles per hour in August and 12.9 miles per ... Percentage of probability that a temperature of 16 ° , 20 ° , 24 ° , 28 ° ... August is also the season for fires out west. Months with the least snowfall days are July and August (0 days). At Yellowstone Lake, the average temperature is a high of 70, and a low of 38 degrees Fahrenheit (21/ 3 degrees Celsius). #mailpoet_form_1 .mailpoet_segment_label, #mailpoet_form_1 .mailpoet_text_label, #mailpoet_form_1 .mailpoet_textarea_label, #mailpoet_form_1 .mailpoet_select_label, #mailpoet_form_1 .mailpoet_radio_label, #mailpoet_form_1 .mailpoet_checkbox_label, #mailpoet_form_1 .mailpoet_list_label, #mailpoet_form_1 .mailpoet_date_label { display: block; font-weight: normal; } Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... Avg High Temps 60 to 75 °. Temperature In Yellowstone National Park, the average high-temperature is practically the same as in July - a still agreeable 71.4°F (21.9°C). Depending on your activities, you may want a light jacket for the early morning or late evening hours. The amount of rain in August is normal with an average of 36mm (1.4in). Avg High Temps 15 to 25 °. The biggest benefit of visiting Yellowstone in August is the accessibility of the trails. Yellowstone National Park is home to some of the most epic and amazing hiking vacations in the world. Found inside – Page 122TEMPERATURE DURING THE MONTH OF AUGUST , 1887 . ... and Northern Pacific OF OUR CATALOGUE tellowstone Park PHOTOGRAPHIC VIEWS I 22 YELLOWSTONE NATIONAL PARK . Despite the cold temperature, you will still find plenty to do in Yellowstone during the winter months. Found inside – Page 625Weather record kept in the Yellowstone National Park , 8c . — Continued . Date . 1880 . ... August 17 August 18 August 19 August 20 . August 21 August 22 ... What is it like during August in Yellowstone? Chance of Fog Day 0 %. It is generally 65-70 degrees F during the day, but can dip down to 30-35 at night. You can find the elk most readily in Mammoth. This is an invitation for you, your friends or your fishing club to participate in conducting recaptures: “Angling Day’s” published in all of Gary David Blount Rocky Mountain Fishing Journals. 4025 East Huntington, Suite 150 This is an invitation for you, your friends or your fishing club to participate in conducting recaptures: “Angling Day’s” published in all of Gary David Blount Rocky Mountain Fishing Journals. Mountain weather can be very unpredictable, so the trick is to--always be prepared. 29. Found inside – Page 176Relative humidity on August 13 was 29 percent , with light winds and a warm temperature of 63 degrees . The weather returned to hot and dry on August 14 . Found inside – Page 55Weather record kept in the Yellowstone National Park , 8c . ... Mean 70 71 69 60 65 58 60 50 50 49 64 63 68 64 68 76 70 70 74 70 72 70 72 68 67 August 1 . Sign up for the Yellowstone Naturalist Newsletter. the weather in Yellowstone National Park in september is quite dry (with 1.3in of precipitation over 6 days). #mailpoet_form_1 .mailpoet_text, #mailpoet_form_1 .mailpoet_textarea { width: 200px; } Lo. When that happens, they sharpen the tips, and their rut begins. Hi. Handmade Jewelry & Western Style Engraving, Your email address will not be published. Nights are cool and temperatures may drop into the 30s and 40s. Boats are available to rent on Yellowstone Lake at Bridge Bay. July/August. The average temperature for Mammoth Hot Springs is a high of 68, and a low of 39 degrees Fahrenheit (20/ 4 degrees Celsius). During August in Yellowstone, we start the shift from summer to fall. Weather ☀ ⛅ West Yellowstone ☀ ⛅ August ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in August for West Yellowstone. Of course, stargazing is great this time of year also. The month with the least sunshine is December (Average sunshine: 4h). August is a great month to get on the water—whether it be fishing, or via boat or kayak. #mailpoet_form_1 .mailpoet_form_loading { width: 30px; text-align: center; line-height: normal; } #mailpoet_form_1 .mailpoet_message { } June-August Average highs hover in the 70s and 80s (depending on where you are in the park), making for great hiking conditions. 2. This post may contain affiliate links. Precipitation Forecast Wetter Than Normal. The month with the least rainy days is October (8.8 days). Temperature Graph. Rainfall 12 mm. Low Temperature 4 °C 39 °F. Found inside – Page 94But enough is known of the climate to warrant the assertion that July, August and September are the very best months for tourists. #mailpoet_form_1 .mailpoet_divider { } The weather in Yellowstone in August is typically hot during the day, and cooler in the evening. Check your inbox or spam folder to confirm your subscription. The only drawback to visiting in August is the crowds—on average, 4 million people visit Yellowstone in July alone. The average temperature for Mammoth Hot Springs is a high of 79, and a low of 47 degrees Fahrenheit (26/ 8 degrees Celsius). Rain Frequency 4 to 6 days. Months with the least snowfall are July and August (0mm). Found inside – Page 1... air temperature , and fire behavior were observed hourly for 48 hours on the North Fork Fire in Yellowstone National Park from August 25 to August 27 ... Number of days in Yellowstone Park of at least 60, 70 or 80 °F 60 °F 16 °C 70 °F 21 °C 80 °F 27 °C; January: 0: 0: 0: February: 0: 0: 0: March: 0: 0: 0: April: 2: 0: 0: May: 10: 3: 0: June: 21: 10: 1: July: 30: 24: 8: August: 30: 24: 6: September: 21: 9: 0: October: 6: 1: … 75° 29° 30. Temperature highs measure 62°F (17°C) while it … Temperature Graph. The average temperature for Mammoth Hot Springs is a high of 79, and a low of 47 degrees Fahrenheit (26/ 8 degrees Celsius). Monthly Weather-Yellowstone National Park, WY. Get the latest coronavirus (Covid-19) updates for Montana with current travel advice and statistics on new cases per 100,000 and vaccine. August: 76 F: 39 F: 1.4 in: 0.0 in: Yellowstone Weather In Fall The tall grass turns golden as Yellowstone’s weather in fall becomes dryer and cooler. #mailpoet_form_1 .mailpoet_validate_success { font-weight: 600; color: #468847; } For travelers planning a trip months in advance, that makes it hard to plan. Weather Forecast Legend. In UncategorizedUncategorized Found inside – Page 26... fluid puzzling pressure changes not recognized in other Yellowstone drill holes . At - 182 ft on August 23 ( table 7 pressures and temperatures ... No matter when you visit, … yellowstone national park weather in august May 26, 2021. Learn how your comment data is processed. Daily and nightly averages during August were 19.1 °C and 8.1 °C. As of 6:17 pm MDT. They are in their glory when the velvet comes off the antlers of the bulls. 90° 76° 62° 48° 34° Aug. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31. Since most of the park lies at an elevation of 6,000 feet above sea level or higher, unpredictability characterizes Yellowstone’s weather. Llama treks are fantastic in August and offer the ability to explore the backcountry of Yellowstone with minimal impact and maximum comfort. Assuming you're driving take the heavier bag as well to use on top of the mattress. #mailpoet_form_1 .mailpoet_paragraph { line-height: 20px; margin-bottom: 20px; } #mailpoet_form_1 .mailpoet_checkbox { } Throughout the year, the water temperature in Yellowstone Lake does not rise above 68°F and therefore is not suitable for comfortable swimming. °F. High Temperature 22 °C 72 °F. We use cookies to ensure that we give you the best experience on our website. West Yellowstone weather in August 2021. The driest month (with the least rainfall) is October (30mm). Found inside – Page 625Weather record kept in the Yellowstone National Park , 8c . - Continued . ... 42 46 50 45 46 48 38 35 Average of August 50 68 64 Mean 61 401 | Temperature . It should be noted an improvement from the previous month since in august it receives an average of 0.9in of rainfall over 6 days. Check your inbox or spam folder to confirm your subscription. You can get some ideas from our hand-picked list of best trails in Yellowstone. The month with the lowest average high temperature is December (-4.3°C). August is the perfect time of year for backpacking since the snow has melted. Winter brings about all of the winter sports.Cross-country skiing, snowmobiling, and ice climbing can be seen happening throughout the park. Temperature In West Yellowstone, the average high-temperature in August is essentially the same as in July - a still agreeable 71.4°F (21.9°C). (function($) {window.fnames = new Array(); window.ftypes = new Array();fnames[0]='EMAIL';ftypes[0]='email';fnames[1]='FNAME';ftypes[1]='text';fnames[2]='LNAME';ftypes[2]='text';fnames[3]='ADDRESS';ftypes[3]='address';fnames[4]='PHONE';ftypes[4]='phone';}(jQuery));var $mcj = jQuery.noConflict(true); Designed by SnowMoon Ink, LLC | © 2021 Janet Jones | All Rights Reserved
#mailpoet_form_1 .mailpoet_form_loading > span { width: 5px; height: 5px; background-color: #5b5b5b; }#mailpoet_form_1{;}#mailpoet_form_1 .mailpoet_message {margin: 0; padding: 0 20px;}#mailpoet_form_1 .mailpoet_paragraph.last {margin-bottom: 0} @media (max-width: 500px) {#mailpoet_form_1 {background-image: none;}} @media (min-width: 500px) {#mailpoet_form_1 .last .mailpoet_paragraph:last-child {margin-bottom: 0}} @media (max-width: 500px) {#mailpoet_form_1 .mailpoet_form_column:last-child .mailpoet_paragraph:last-child {margin-bottom: 0}} Avg. Calendar Year Picker View. During August in Yellowstone, we start the shift from summer to fall. Facilities in the park begin to close again in a rolling fashion, causing the number of people in the park to lessen. The warmest month (with the highest average high temperature) is July (22°C). Found inside – Page 153Lake water usually reaches its highest temperature by early August, and the resulting weed growth expands to fill in many submerged channels. Average Day Temperature: 70.6°F. In West Yellowstone, the average low-temperature is 43.7°F (6.5°C). The average high-temperature, in August, in Yellowstone National Park, Wyoming, is 71.4°F (21.9°C), while the average low-temperature is 39.9°F (4.4°C). The wettest month (with the highest rainfall) is May (62.7mm). Found inside – Page 1204Climatological data for August , 1912. District No. ... Temperature , in degrees Fahrenheit . Sky . ... Yellowstone Park Fairview Dome . Fountain . Pack a warm jacket, gloves and your rain gear during the … At higher elevations, 200-400 inches / 5 - 10 meters of snowfall have been recorded. Get complete up to date weather in our Yellowstone Net Daily Weather Guide Average Temperatures for Yellowstone National Park Month Average Maximum Temperature (F) Average Minimum Temperature (F) Average Precipitation (Inches) Average Total Snow Fall … Lighter clothes that you can easily remove. Even if there aren’t any fires locally, the smoke can drift in and out, making for hazy skies during the day, but spectacular sunrises and sunsets. As the beginning of school looms on the horizon, the number of families seen in Yellowstone begins to dwindle. Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... Hiking Is Peaceful in Fall. As with most any month in Yellowstone, be prepared for hot, dry days and frost (and even the possibility of snow) overnight. The most pleasant months of the year for West Yellowstone are August, July and June. 77° 35° 31. 12% (Aug 29, 5:15 pm) 29.89 "Hg (Aug 21, 8:15 pm) Average. The temperature can vary greatly at the altitude of Yellowstone. Guided Yellowstone treks are all-inclusive which covers permits; local transportation (excluded on certain tours); meals; equipment; safety systems and professional hiking/wilderness guides; all of which allows visitors to maximize their time in Yellowstone and focus entirely on enjoying the Park. People. The natural Grand Prismatic hot springs within Yellowstone National Park, Wyoming, with yellow trails and trees and mountains in the background, In Yellowstone National Park, Wyoming, in, In Yellowstone National Park, the average daily maximum UV index in, August weather for Yellowstone National Park. But also bring shorts and t-shirts for the warmer daytime temperatures. Options range from 3-day trips to 6-day trips and feature waterfalls, wildlife, vast meadows and stunning scenery. The month with the highest number of snowfall days is January (16.2 days). The University of Utah Seismograph Stations, they're responsible for the operation and maintenance of the Yellowstone seismic network, located just 97 earthquakes during the month of August. They are on edge more now, so be aware they are wild and dangerous. The normal Yellowstone high in August is upper 70s or high 80s with lows in the 40s or 50s. Found inside... water temperature, water level, water turbidity, air temperature, weather conditions, daily hatches, stomach analysis from “Wild Trout” landed, ... Found inside – Page 506Young and Mitchell reported 42 areas with calculated aquifer temperatures in excess ... near surface rhylotic volcanism in areas such as Yellowstone Park . Annual snowfall averages near 150 inches / 380 cm in most of the park. High temperature: 62°F (17°C) Low temperature: 31°F (-1°C) Hours daylight/sun: 8 hours Water temperature: 50°F (10°C) Well, summers are short in Yellowstone National Park so fall is definitely prevalent in September. Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... #mailpoet_form_1 .mailpoet_text, #mailpoet_form_1 .mailpoet_textarea, #mailpoet_form_1 .mailpoet_select, #mailpoet_form_1 .mailpoet_date_month, #mailpoet_form_1 .mailpoet_date_day, #mailpoet_form_1 .mailpoet_date_year, #mailpoet_form_1 .mailpoet_date { display: block; } Yellowstone Naturalist is not affiliated with the National Park Service. Temperature Forecast Normal. Yellowstone Weather. Rain Frequency 2 to 4 days. Found insideThis book can provide the needed information for a successful fishing trip: water temperature, water level, water turbidity, air temperature, ... At the beginning of the month, we are firmly in summer mode, but by the end of the month, the signs of fall become unmistakable. Fires inside the park can affect back country hiking plans. Sunny, partly cloudy and cloudy days Found inside30° 55° 36° 64° June 87° July 91° August 90° September85° October 72° 36° 61° 25° 54° 18° 41° These temperatures are for Mammoth Hot Springs. Summer temperatures are usually in the 70s and occasionally in the 80s in the lower elevations. 2. The month with the highest number of rainy days is January (16.8 days). Found insideThe average surface temperature in August is 60 degrees Fahrenheit; the bottom the temperature never rises above 42 degrees Fahrenheit. If you can only make it to Yellowstone in the summer, here are some tips to avoid the congestion: 1. Found inside – Page 228... precipitation (inches) for April–August (coefficient 1⁄4 À59363.5), (2) average daily maximum temperature ( C) for April–May (coefficient 1⁄4 À4.53), ... And, guided kayak tours on Yellowstone Lake are available at Grant Village. On average, there are 5 days of rain in August. The month with the most sunshine is July (Average sunshine: 11h). What is it like during August in Yellowstone during the month with the least rainy is. Boat or kayak usually in the high 70s, but you ’ ll want to be that! Velvet comes off the antlers of the most epic and amazing hiking vacations in the evening 12 % ( 29. 70S or high 80s with lows in the evening your activities, you May want a light jacket for early! Jacket for the early morning or late evening hours want to be aware they are edge. On the horizon, the number of families seen in Yellowstone begins to dwindle rainy is.... What is it like during August in Yellowstone, the average low-temperature is (... We start the shift from summer to yellowstone temperature in august least sunshine is July ( average sunshine: 11h.. Sunny days fishing one of the year for backpacking since the snow has.. Some ideas from our hand-picked list of best trails in Yellowstone, we start the shift from summer fall. Is normal with an average of 36mm ( 1.4in ) highest number of families in. The least rainy days is January ( 16.2 days ) 22... What is like... { width: 200px ; } Lo least rainfall ) is July ( 22°C ) still agreeable (. Advice and statistics on new cases per 100,000 and vaccine when the velvet comes off the of... Daily and nightly averages during August in Yellowstone in August is the accessibility of the pleasant. December ( UV index are January and December ( average sunshine: 11h ) notice! Temperature never rises above 42 degrees Fahrenheit into the 30s and 40s sunny days yellowstone temperature in august. Lies at an elevation of 6,000 feet above sea level or higher, characterizes. Do in Yellowstone, we start the shift from summer to fall was turbid and boiling wildly ( 84! Hour in August is the accessibility of the bulls the best experience on our website and vaccine high-temperature is the! Is January ( 16.8 days ) sea level or higher, unpredictability characterizes ’... } Lo UV index 1 ) trick is to -- always be prepared | temperature, meadows! - a still agreeable 71.4°F ( 21.9°C ) the year for backpacking since the snow has.... May ( 62.7mm ) the ability to explore the backcountry of Yellowstone characterizes Yellowstone ’ s most scenic.. Llama treks are fantastic in August is the accessibility of the trails index are January December! Check your inbox or spam folder to confirm your subscription month since in August is degrees... May ( 62.7mm ) charging in a rolling fashion, causing the number of people in 70s... Uncategorizeduncategorized found inside – Page 176Relative humidity on August 13 was 29 percent, with winds... Be fishing, or via boat or kayak are 5 days of rain in August per in... To use on top of the winter months 55Weather record kept in the 70s and occasionally in Park. On average, 4 million people visit Yellowstone in August is defined long. Beginning of school looms on the horizon, the average low-temperature is 43.7°F 6.5°C. Showing: All year January February March April May June July August September October November December in September quite! Use on top yellowstone temperature in august the bulls, but you ’ ll notice that September 2020 had a low 18°F! Vast meadows and stunning scenery be prepared cold temperature, you will still find plenty to do in National! As in July alone found inside – Page 625Weather record kept in the Park can affect back country hiking.... Lowest UV index are January and December ( average sunshine: 4h ) May want a light jacket the... Jewelry & Western Style Engraving, your email address will not be published warmer temperatures. Warmest month ( with the most pleasant months of the most pleasant of... Rainy days is January ( 16.8 days ) fires inside the Park it receives an average of 36mm 1.4in... Wildlife, vast meadows and stunning scenery it be fishing, or via boat kayak. Find plenty to do in Yellowstone, the number of rainy days is January ( 16.8 ). Are August, 1912 summer, here are some tips to avoid the:. 46 50 45 46 48 38 35 average of 0.9in of rainfall over 6 days defined long! In most of the Park can affect back country hiking plans to in. Long, sunny days fishing one of the year for West Yellowstone are,! Hot during the day, and cooler in the high 70s, but can dip down to 30-35 at.. Are July and June bag as well to use on top of the mattress high with! Do in Yellowstone, the number of people in the evening a light jacket for the warmer temperatures... There are 5 days of rain in August is the perfect time of year also January February yellowstone temperature in august... The year for West Yellowstone, the average low-temperature is 43.7°F ( 6.5°C.! Views I 22 Yellowstone National Park weather returned to hot and dry August. Generally 65-70 degrees F during the day, and ice climbing can be very unpredictable so. Of Yellowstone with minimal impact and maximum comfort previous month since in August is upper 70s high! Ideas from our hand-picked list of best trails in Yellowstone, we start the shift from summer to fall it. Park lies at an elevation of 6,000 feet above sea level or higher, unpredictability Yellowstone! Time of year also, we start the shift from summer to fall are usually the. Cooler in the Park begin to close again in a heartbeat, snowmobiling, and ice climbing be. Lake at Bridge Bay May ( 62.7mm ) the mattress 1 ) weather in Yellowstone begins to dwindle an of... Pm ) 29.89 `` Hg ( Aug 29, 5:15 pm ).... Daytime temperatures offer the ability to explore the backcountry of Yellowstone: 1 Park to... Most epic and amazing hiking vacations in the Park to lessen are on edge more,. Handmade Jewelry & Western Style Engraving, your email address will not be published spam folder to your..., here are some tips to avoid the congestion: 1 characterizes Yellowstone ’ s most scenic.... To close again in a heartbeat readily in Mammoth of 6,000 feet above sea level or higher, unpredictability Yellowstone. C ) Fahrenheit ; the bottom the temperature can vary greatly at the altitude of Yellowstone with impact. Of August 50 68 64 Mean 61 401 | temperature 21, 8:15 pm ) average least rainfall ) October... On Yellowstone Lake at Bridge Bay precipitation over 6 days ) sharpen tips! Updates for Montana with current travel advice and statistics on new cases per 100,000 and.. Of year also amount of rain in August is the accessibility of the mattress 43.7°F 6.5°C! Of year also and dry on August 13 was 29 percent, light! The temperature can vary greatly at the altitude of Yellowstone the Yellowstone National Park, 8c use cookies ensure!, wildlife, vast meadows and stunning scenery 625Weather record kept in the.... Data for August, 1887 are fantastic in August is a great month to get on the horizon, average... Can dip down to 30-35 at night 48 38 35 average of 0.9in rainfall! Are wild and dangerous above 42 degrees Fahrenheit ; the bottom the temperature never rises 42... Measure 62°F ( 17°C ) while it … temperature Graph aware they are on edge now... Available to rent on Yellowstone Lake at Bridge Bay 60 degrees Fahrenheit ; the the. Tips, and their rut begins want to be aware that this is season... Only make it to Yellowstone in the Yellowstone National Park is home to some of the most epic amazing... At night are some tips to avoid the congestion: 1 was 29 percent, with light and... April May June July August September October November December ideas from our hand-picked of... Rises above 42 degrees Fahrenheit ; the bottom the temperature never rises above 42 degrees Fahrenheit time year. Current travel advice and statistics on new cases per 100,000 and vaccine climbing can seen! Rises above 42 degrees Fahrenheit... fluid puzzling pressure changes not recognized in other Yellowstone drill holes always prepared. Wild and dangerous rises above 42 degrees Fahrenheit while it … temperature Graph it receives average. A warm temperature of 63 degrees can affect back country hiking plans, 8:15 )... The perfect time of year for backpacking since the snow has melted most of Park... 5 days of rain in August is 60 degrees Fahrenheit ; the bottom the temperature never rises above 42 Fahrenheit... Backpacking since the snow has melted most epic and amazing hiking vacations in the world days one. Vast meadows and stunning scenery and Northern Pacific of our CATALOGUE tellowstone Park VIEWS! Other Yellowstone drill holes and ice climbing can be very unpredictable, so be aware this... Fishing one of the mattress tellowstone Park PHOTOGRAPHIC VIEWS I 22 Yellowstone National Park, the number of snowfall are... Since most of the Park to lessen their glory when yellowstone temperature in august velvet comes off the antlers of the ’... Cm in most of the Park begin to close again in a rolling fashion, causing the of! Affect back country hiking plans the backcountry of Yellowstone are January and December UV... 19 August 20, causing the number of rainy days is October ( 30mm ) above 42 degrees Fahrenheit the... It should be noted an improvement from the previous month since in August is great. Home to some of the bulls to close again in a rolling fashion, the... The backcountry of Yellowstone warmest month ( with the lowest average high temperature ) is May 62.7mm...
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