Cooksville Illinois Climate Data

Monthly Average Climate Data for Cooksville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.8 °C0.3 °C56.13 mm
February-6.9 °C2.9 °C47.5 mm
March-1.8 °C9.6 °C65.79 mm
April4.2 °C16.9 °C93.22 mm
May10.8 °C23.1 °C111.51 mm
June16.1 °C27.8 °C106.43 mm
July17.8 °C29.4 °C99.31 mm
August16.6 °C28.5 °C86.87 mm
September12.2 °C25.7 °C84.33 mm
October5.8 °C18.6 °C85.34 mm
November-0.3 °C10.2 °C66.8 mm
December-5.7 °C3.1 °C52.83 mm
Annual5 °C16.3 °C956.06 mm

Climate Data for Cooksville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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