Average humidity in Great Falls (MT)

The mean monthly relative humidity over the year in Great Falls (Montana), the United States of America.

On average, January is the most humid month, at 63.0%.
On average, July is the least humid month, at 37.0%.
The average annual percentage of humidity is 50%.

Forecast for Great Falls (MT)

Sun May 19

11°C | 3°C

18 km/h

2.9 mm

broken clouds and thunder

hourly forecast

Mon May 20

14°C | 1°C

14 km/h

0.4 mm

partly cloudy and slight rain

hourly forecast

Tue May 21

17°C | 3°C

14 km/h

0.4 mm

partly cloudy and thunder

hourly forecast

5-Day Forecast 10-Day Forecast

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