Wheeling Illinois Climate Data

Monthly Average Climate Data for Wheeling Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.5 °F31.2 °F2.05 in.
February19.2 °F34.9 °F1.98 in.
March28.4 °F45.3 °F2.27 in.
April38.6 °F57.4 °F3.79 in.
May49.5 °F68.7 °F4.43 in.
June59.5 °F79.0 °F4.39 in.
July65.0 °F83.4 °F3.69 in.
August63.7 °F81.5 °F3.95 in.
September55.7 °F75.0 °F3.29 in.
October43.7 °F62.3 °F3.27 in.
November32.4 °F48.1 °F2.4 in.
December22.5 °F36.5 °F2.11 in.
Annual41.2 °F58.6 °F37.62 in.

Climate Data for Wheeling Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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