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Illinois United States of America
Precipitation in May
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May Rainfall Precipitation in Illinois

Illinois is a region in the United States of America. In May precipitation ranges from moderate in Freeport with 90 mm of rainfall to high in Sparta with 148 mm of rainfall.

Where and how much does it rain in Illinois in May?

Find the average total precipitation in May for the most popular destinations in Illinois on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Illinois receive in May?
    • Chicago often experiences a notable amount of rain in May, with an average of about 118 mm. The city's weather is known to change unexpectedly because of these showers.

  • What is the wettest city in May in Illinois?
    • In our records, Sparta stands out as having an average precipitation level of 148 mm, making it the wettest location.

  • What is the driest city in May in Illinois?
    • Our figures indicate that Freeport receives the least rainfall, averaging just 90 mm.

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