Washburn Illinois Climate Data

Monthly Average Climate Data for Washburn Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.3 °F31.8 °F2.05 in.
February18.7 °F36.3 °F1.9 in.
March28.5 °F48.7 °F2.57 in.
April39.1 °F62.0 °F3.73 in.
May50.8 °F72.8 °F4.69 in.
June60.5 °F81.8 °F4.19 in.
July63.9 °F84.8 °F3.79 in.
August61.7 °F83.3 °F3.64 in.
September53.5 °F77.9 °F3.46 in.
October41.9 °F65.0 °F3.02 in.
November30.8 °F49.8 °F2.65 in.
December21.1 °F37.1 °F2.04 in.
Annual40.5 °F60.9 °F37.73 in.

Climate Data for Washburn Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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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