Average monthly snow and rainfall in Washington (MO)
The mean monthly precipitation over the year in Washington (Missouri), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July and September.
- On average, May is the wettest month with 126 mm of precipitation.
- On average, January is the driest month with 49 mm of precipitation.
- The average amount of annual precipitation is 1141 mm.
Forecast for Washington (MO)
almost clear and no rain
partly cloudy and chance of slight rain
partly cloudy and thunder