Wyoming Illinois Climate Data

Monthly Average Climate Data for Wyoming Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.4 °F30.9 °F1.89 in.
February17.9 °F35.5 °F1.96 in.
March28.0 °F48.3 °F2.42 in.
April38.7 °F61.6 °F3.72 in.
May50.5 °F72.6 °F4.98 in.
June60.3 °F81.3 °F4.39 in.
July63.6 °F84.3 °F3.95 in.
August61.4 °F82.7 °F3.66 in.
September53.0 °F77.0 °F3.55 in.
October41.5 °F64.4 °F2.94 in.
November30.1 °F49.2 °F2.57 in.
December20.3 °F36.4 °F1.99 in.
Annual40 °F60.4 °F38.02 in.

Climate Data for Wyoming Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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