Illinois average weather

Map showing Illinois locations. Click on pins to view weather averages.

37 locations listed in Illinois.

  • Chicago

    °C/°F
    month
    -1°/30°
    -10°/14°
    4.8hrs
    44mm
    Jan
    15°/58°
    3°/38°
    7.8hrs
    96mm
    Apr
    29°/84°
    17°/63°
    11hrs
    100mm
    Jul
    17°/63°
    6°/43°
    6.7hrs
    68mm
    Oct

  • Columbia

    °C/°F
    month
    4°/39°
    -6°/21°
    5.7hrs
    48mm
    Jan
    20°/67°
    8°/46°
    8.1hrs
    98mm
    Apr
    32°/89°
    20°/68°
    10.8hrs
    95mm
    Jul
    21°/69°
    8°/47°
    7.5hrs
    68mm
    Oct

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