Average monthly snow and rainfall in Chicago (Illinois) in millimeter

This is the mean monthly precipitation over the year, including rain, snow, hail etc.
Show average precipitation in Chicago in Inches »

Average precipitation (rain/snow) in Chicago, United States of America   Copyright © 2021  weather-and-climate.com
* Data from weather station: Chicago, United States of America.
  • A lot of rain (rainy season) falls in the months: April, May, June, July and August.
  • On average, May is the wettest month with 120.0 mm (4.72 inch) of precipitation.
  • On average, February is the driest month with 55.0 mm (2.17 inch) of precipitation.
  • The average amount of annual precipitation is: 1020.0 mm (40.16 inch)

Weather Forecasts for Chicago (Illinois)

THU Oct 21
13°C | 10°C

Patchy rain possible

FRI Oct 22
13°C | 8°C

Partly cloudy

SAT Oct 23
15°C | 7°C


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More Climate Information For Chicago

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