Average monthly rainy days in Lewistown (MT)
The number of days each month with rain, snow and hail in Lewistown (Montana), the United States of America.
- Most rainy days are in May and June.
- On average, May is the most rainy with 17 days of rain/snow.
- On average, November is the driest month with 8 rainy days.
- The average annual number of rainy days is 145.
Forecast for Lewistown (MT)
partly cloudy and chance of rain
overcast and rain
overcast and heavy rain