Windy cities · Montana
How windy is Great Falls?
Across a typical year, the wind in Great Falls averages about 11.3 mph.
December is the windiest month, at about 13.8 mph, and July the calmest, at about 8.9 mph. There’s no wind at all about 5% of the time. That makes it the joint 7th windiest of the 124 US cities we track.
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The strongest average wind in the forecast for the next 48 hours is about 14 mph.
Great Falls averages about 13.8 mph in December, so its winter comes with a full-time blower attached.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
The wind at a glance
| Average wind speed, all year | 11.3 mph |
|---|---|
| Windiest month | December, 13.8 mph |
| Calmest month | July, 8.9 mph |
| Hours with no wind at all | 5% |
Average wind speeds across every hour of a typical year, not gusts.
Cities with about the same wind
- Boston, Massachusetts: about 11.3 mph
- Wichita, Kansas: about 11.4 mph
- Oklahoma City, Oklahoma: about 11.2 mph
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00024143. Average wind speed, not gusts.