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Annual Rainfall Precipitation in Illinois

Illinois is a region in the United States of America. In Annual precipitation ranges from low in Galena with 27 mm of snowfall to moderate in Metropolis with 100 mm of snow/rainfall. Annual is a winter month in Illinois. It is the driest month of the year.

Where and how much does it snow in Illinois in Annual?

Find the average total precipitation in Annual 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 snowfall does Illinois receive in Annual?
  • In Annual, Chicago typically experiences moderate snowfall, averaging about 50 mm. This translates to a mix of wet and dry days throughout the month. Based on climate data from the last 30 years, this month typically sees the least rain of the year.

  • What is the wettest city in Annual in Illinois?
  • According to our data the wettest location is Metropolis with an average precipitation of 100 mm.

  • What is the driest city in Annual in Illinois?
  • Based on our records, Galena registers the lowest average precipitation, with only 27 mm.

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