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Chicago-Naperville-Joliet Metro Area, Illinois climate data

 
ClimateChicago-Naperville-Joliet, ILUnited States
Rainfall (in.)36.636.6
Snowfall (in.)33.625.2
Precipitation Days117101
Sunny Days197205
Avg. July High86.186.5
Avg. Jan. Low19.220.8
Comfort Index (higher=better)46.214285714285744
UV Index3.64.3
Elevation ft.6101,062