Average monthly snow and rainfall in Caseyville (IL)
The mean monthly precipitation over the year in Caseyville (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June and July.
- On average, June is the wettest month with 138 mm of precipitation.
- On average, January is the driest month with 54 mm of precipitation.
- The average amount of annual precipitation is 1144 mm.
Forecast for Caseyville (IL)
almost clear and no rain
partly cloudy and no rain
broken clouds and chance of rain