Monthly Average 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.
Current rainfall in Helena (MT)
almost clear and no rain
partly cloudy and no rain
partly cloudy and small chance of slight rain