Average monthly snow and rainfall in Mount Vernon (IL)
The mean monthly precipitation over the year in Mount Vernon (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: March, April, May, June, July and December.
- On average, April is the wettest month with 134 mm of precipitation.
- On average, January is the driest month with 59 mm of precipitation.
- The average amount of annual precipitation is 1215 mm.
Forecast for Mount Vernon (IL)
broken clouds and rain
almost clear and no rain
almost clear and no rain