Cooksville Illinois Climate Data

Monthly Average Climate Data for Cooksville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.2 °F32.5 °F2.21 in.
February19.5 °F37.2 °F1.87 in.
March28.8 °F49.2 °F2.59 in.
April39.6 °F62.5 °F3.67 in.
May51.4 °F73.5 °F4.39 in.
June61.0 °F82.1 °F4.19 in.
July64.0 °F85.0 °F3.91 in.
August61.8 °F83.3 °F3.42 in.
September53.9 °F78.3 °F3.32 in.
October42.5 °F65.4 °F3.36 in.
November31.5 °F50.3 °F2.63 in.
December21.8 °F37.6 °F2.08 in.
Annual41 °F61.4 °F37.64 in.

Climate Data for Cooksville 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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