ClimateForecastNovemberDecember >>

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)

Tue   Nov 12
11°C | 2°C
SW 32 km/h
almost clear and no rain

almost clear and no rain

Wed   Nov 13
13°C | 1°C
S 29 km/h
partly cloudy and no rain

partly cloudy and no rain

Thu   Nov 14
12°C | 1°C
SW 29 km/h
almost clear and no rain

almost clear and no rain

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