Weather in West Yellowstone: May
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Average day temperature: | 50.7°F |
| Average night temperature: | 33.5°F | |
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Number of sunny days: | 8 days |
| Day length: | 14.3 - 15.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
| more information | ||
14 days
forecast
forecast
| West Yellowstone |
weather in
June
June
| West Yellowstone |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 73°F. At the same time the lowest night temperature was 24°F. Daily and nightly averages during May were 55.4°F and 35.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in West Yellowstone in May is 1.3 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 5.6 mph It makes May one of the most 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 May is: 7.3.
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: 16:26
June 29, monday
1800
41°F
NE
6 mph
6 mph
2100
37°F
E
3 mph
3 mph
June 30, tuesday
0000
36°F
E
1 mph
1 mph
0300
34°F
N
1 mph
1 mph
0600
36°F
NW
2 mph
2 mph
0900
43°F
N
4 mph
4 mph
1200
48°F
NE
6 mph
6 mph
1500
55°F
NE
10 mph
10 mph
