Average monthly snow and rainfall in Vandalia (IL)
The mean monthly precipitation over the year in Vandalia (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July, September and December.
- On average, June is the wettest month with 163 mm of precipitation.
- On average, January is the driest month with 59 mm of precipitation.
- The average amount of annual precipitation is 1236 mm.
Forecast for Vandalia (IL)
almost clear and no rain
partly cloudy and no rain
partly cloudy and chance of rain