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June Rainfall Precipitation in Illinois

Illinois is a region in the United States of America. In June precipitation ranges from moderate in Marion with 99 mm of rainfall to heavy in Galena with 164 mm of rainfall. June is a summer month in Illinois. It is the wettest month of the year.

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

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

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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 June?
  • June in Chicago is marked by substantial rain, totaling an average of 126 mm. Rapid weather changes are common due to the frequent precipitation. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Chicago.

  • What is the wettest city in June in Illinois?
  • Our data indicates that Galena holds the record for the most average rainfall with 164 mm.

  • What is the driest city in June in Illinois?
  • Based on our records, Marion registers the lowest average precipitation, with only 99 mm.

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