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 »

Average precipitation (rain/snow) in Chicago, United States of America   Copyright © 2022  weather-and-climate.com

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  • 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)

MON   Sep 26
65°F | 52°F
WNW 16 mph
TUE   Sep 27
58°F | 45°F
NW 13 mph
WED   Sep 28
60°F | 41°F
WSW 11 mph

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