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Helena
Average humidity
ClimateForecastNovemberDecember >>

Average humidity in Helena (MT)

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


  • On average, December is the most humid month, at 68.0%.
  • On average, July is the least humid month, at 46.0%.
  • The average annual percentage of humidity is 57%.

Forecast for Helena (MT)

Tue   Nov 12
10°C | 2°C
W 25 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Wed   Nov 13
11°C | -2°C
SE 18 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Thu   Nov 14
13°C | 1°C
W 22 km/h
0.6 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

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