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We have place information on 13 very cool categories, pick one or scroll down to see an overview.


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DuPage County, Illinois, gets 36 inches of rain per year. The US average is 37. Snowfall is 30 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 111.

On average, there are 189 sunny days per year in DuPage County, Illinois. The July high is around 86 degrees. The January low is 14. Our comfort index, which is based on humidity during the hot months, is a 44 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

  CLIMATEDuPage, IllinoisUnited States
  Rainfall (in.)  35.536.5
  Snowfall (in.)  30.225
  Precipitation Days  111100
  Sunny Days  189205
  Avg. July High  85.886.5
  Avg. Jan. Low  13.920.5
  Comfort Index (higher=better)  4444
  UV Index  3.44.3
  Elevation ft.  7291,443

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