Windy cities · South Dakota
How windy is Rapid City?
Across a typical year, the wind in Rapid City averages about 10.4 mph.
April is the windiest month, at about 12.2 mph, and August the calmest, at about 9.1 mph. There’s no wind at all about 11% of the time. That makes it the joint 13th 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 18 mph.
Rapid City averages about 10.4 mph and spikes to about 12.2 in April, so spring in the Black Hills comes with a fan setting.
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 | 10.4 mph |
|---|---|
| Windiest month | April, 12.2 mph |
| Calmest month | August, 9.1 mph |
| Hours with no wind at all | 11% |
Average wind speeds across every hour of a typical year, not gusts.
Cities with about the same wind
- Dallas, Texas: about 10.4 mph
- Honolulu, Hawaii: about 10.3 mph
- San Francisco, California: about 10.3 mph
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00024090. Average wind speed, not gusts.