Average monthly snow and rainfall in St. Louis (MO)
The mean monthly precipitation over the year in St. Louis (Missouri), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June and September.
- On average, June is the wettest month with 136 mm of precipitation.
- On average, January is the driest month with 50 mm of precipitation.
- The average amount of annual precipitation is 1116 mm.
Forecast for St. Louis (MO)
almost clear and no rain
partly cloudy and chance of slight rain
broken clouds and thunder