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Illinois Historical Weather Data

Illinois has a continental climate with hot, humid summers, cold winters, and moderate precipitation year-round.

State Quick Facts

Abbreviation: IL
Capital: Springfield
Cities with Data: 9

Cities in Illinois

Aurora 41.76, -88.32 Chicago 41.88, -87.63 Elgin 42.04, -88.28 Joliet 41.52, -88.08 Naperville 41.75, -88.15 Peoria 40.69, -89.59 Rockford 42.27, -89.09 Springfield 39.78, -89.65 Waukegan 42.36, -87.84

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Average Weather by Month - Free Printable Planning Calendar

A printable month-by-month planning calendar built from historical climate data. Free, no spam.