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Helena
Average humidity
ClimateForecastMayJune >>

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)

Sat   May 04
18°C | -3°C
E 14 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Sun   May 05
19°C | 6°C
E 11 km/h
7.2 mm
broken clouds and chance of rain

broken clouds and chance of rain

hourly forecast
Mon   May 06
13°C | 7°C
W 32 km/h
2.6 mm
overcast and slight rain

overcast and slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

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