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

Illinois is a region in the United States of America. In August precipitation ranges from moderate in Tuscola with 63 mm of rainfall to high in Monee with 138 mm of rainfall. August is a summer month in Illinois.

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

Find the average total precipitation in August 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 August?
    • August in Chicago is marked by substantial rain, totaling an average of 115 mm. Rapid weather changes are common due to the frequent precipitation.

  • What is the wettest city in August in Illinois?
    • Based on our records, Monee is the location with the highest average precipitation, receiving about 138 mm.

  • What is the driest city in August in Illinois?
    • Among all locations in our dataset, Tuscola has the lowest average precipitation at 63 mm.

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