Average monthly rainy days in Helena (MT)

The number of days each month with rain, snow and hail in Helena (Montana), the United States of America.

On average, May is the most rainy with 14 days of rain/snow.
On average, August is the driest month with 8 rainy days.
The average annual number of rainy days is 143.

Forecast for Helena (MT)

Sat May 04

18°C | -3°C

14 km/h

partly cloudy and no rain

hourly forecast

Sun May 05

19°C | 6°C

14 km/h

6.2 mm

broken clouds and thunder

hourly forecast

Mon May 06

13°C | 7°C

36 km/h

2.4 mm

overcast and slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

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