Average monthly snow and rainfall in Joliet (IL)
The mean monthly precipitation over the year in Joliet (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: May, June, July and August.
- On average, June is the wettest month with 133 mm of precipitation.
- On average, February is the driest month with 51 mm of precipitation.
- The average amount of annual precipitation is 1070 mm.
Forecast for Joliet (IL)
almost clear and slight rain
partly cloudy and no rain
almost clear and no rain