Weather in West Yellowstone: August
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Average day temperature: | 72.4°F |
| Average night temperature: | 51.5°F | |
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Number of sunny days: | 19 days |
| Day length: | 13.3 - 14.6 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| West Yellowstone |
weather in
September
September
| West Yellowstone |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 80°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during August were 70.7°F and 53.8°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in West Yellowstone in August is 1.0 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 5.0 mph It makes August one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.8.
Best time for vacation in West Yellowstone
West Yellowstone on a weather map
Places in USA:
Name
°F
24 Hours Forecast
West Yellowstone
Local time: 11:26
February 26, thursday
1200
23°F
NE
13 mph
13 mph
1500
25°F
NE
14 mph
14 mph
1800
23°F
NE
11 mph
11 mph
2100
21°F
NE
9 mph
9 mph
February 27, friday
0000
25°F
NE
8 mph
8 mph
0300
25°F
NE
9 mph
9 mph
0600
25°F
NE
7 mph
7 mph
0900
25°F
NE
11 mph
11 mph
