Lewistown (MT) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Lewistown (Montana). The numbers are calculated over a 30-year period to provide a reliable average.
- Lewistown has dry periods in January, February, March, November and December.
- On average, May is the wettest month with 100 mm of precipitation.
- On average, February is the driest month with 16 mm of precipitation.
- The average amount of annual precipitation is 498 mm.
Current rainfall in Lewistown (MT)
broken clouds and chance of slight sleet
broken clouds and no rain
broken clouds and no rain