Yellowstone National Park in august: average Weather, Temperature and Climate
Weather in Yellowstone National Park in august 2025
The weather in Yellowstone National Park in the month of august comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather 14.2cm
Weather at 6am
43°F
Clear/Sunny
66% of time
17%
7%
6%
Weather at 12pm
70°F
Clear/Sunny
72% of time
13%
7%
7%
Weather at 6pm
68°F
Clear/Sunny
60% of time
19%
9%
6%
Weather at 3am
45°F
68%
17%
7%
4%
Evolution of daily average temperature and precipitation in Yellowstone National Park in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Yellowstone National Park in august.
The climate of Yellowstone National Park in august is tolerable
The climate in august in Yellowstone National Park is rather dry (with 2.2in of precipitation over 4 days). The weather is worst than the previous month since in july there is an average of 1.9in of rainfall over 3 days.
The climate quite pleasant in that area august. The high seasonal norm is 72°F. On average, the recorded minimum temperature is 43°F. Thus, the mean temperature average on this month of august in Yellowstone National Park is 58°F. Note that seasonal normals in contrast with those observed in Yellowstone National Park in the month of august with a maximum record of 90°F in 2018 and a minimum record of 22°F in 2009. You can hope to have about 27 days with temperatures above 65°F, or 87% of time.
On average, in Yellowstone National Park, the days of august last 14:01. The sun rises at 05:26 and sets at 19:27.
With good weather conditions, august is a good month to go in Yellowstone National Park in United States.
August: another location in the United States (USA)?
If you want to go to the United States (USA) in august, there are destinations with better weather than Yellowstone National Park:
In august, Grand Canyon, Hawaii (Honolulu), Salt Lake City, Seattle, Denver and Minneapolis (Minnesota) have perfect weather.
Furthermore, California, Washington D. C., Atlanta, Boston, Chicago and Dallas have good weather.
Seasonal average climate and temperature of Yellowstone National Park in august
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 72°F | ||||
| Lowest temperature | 43°F | ||||
| Highest record temperature | 90°F (2018) | ||||
| Lowest record temperature | 22°F (2009) | ||||
| Number of days at +65°F | 27 day(s) (87%) | ||||
| Number of days at -32°F | 2 day(s) (6%) | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 41°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 1in (2017) | ||||
| Snowfall | 14.2cm | ||||
| Other climate data | |||||
| Humidity | 72% | ||||
| Visibility | 9.67km | ||||
| Cloud cover | 16% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:26 | ||||
| Time of sunset | 19:27 | ||||
| Length of day | 14:01 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Yellowstone National Park in august 2024:
50°F to 79°F
54°F to 85°F
58°F to 83°F
58°F to 79°F
50°F to 81°F
54°F to 77°F
50°F to 76°F
45°F to 74°F
47°F to 70°F
47°F to 70°F
45°F to 72°F
50°F to 74°F
49°F to 68°F
45°F to 63°F
43°F to 72°F
47°F to 70°F
47°F to 74°F
49°F to 76°F
50°F to 72°F
49°F to 76°F
49°F to 72°F
47°F to 74°F
50°F to 72°F
47°F to 70°F
49°F to 61°F
40°F to 56°F
41°F to 70°F
47°F to 61°F
38°F to 67°F
41°F to 74°F
47°F to 77°F
Map: other cities in the United States (USA) in august
Cities near Yellowstone National Park:
| Grand Teton National Park (Wyoming) in august | tolerable weather |
| Jackson Hole in august | tolerable weather |
| Cody (Wyoming) in august | good weather |
| Helena (Montana) in august | good weather |
| Montana in august | good weather |
| Wyoming in august | perfect weather |
| Salt Lake City in august | perfect weather |
| Boise (Idaho) in august | perfect weather |
| Glacier National Park (Montana) in august | tolerable weather |
| Utah in august | good weather |
| Mount Rushmore in august | good weather |
| Arches National Park (Utah) in august | perfect weather |
Click over cities on the map for information about the weather in august.
Yellowstone National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Yellowstone National Park in august:
Weather data for Yellowstone National Park for august are derived from an average of the weather forecast since 2009 in Yellowstone National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Yellowstone National Park can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Yellowstone National Park.