Average monthly snow and rainfall in Chicago (Illinois) in inches
This is the mean monthly precipitation over the year, including rain, snow, hail etc.
Show average precipitation in Chicago in Millimeter »
- A lot of rain (rainy season) falls in the months: April, May, June, July and August.
- On average, May is the wettest month with 4.8 inch (121 mm) of precipitation.
- On average, February is the driest month with 2 inch (51 mm) of precipitation.
- The average amount of annual precipitation is: 40.2 inch (1020 mm)
Weather Forecasts for Chicago (Illinois)