Warrenville Illinois Climate Data

Monthly Average Climate Data for Warrenville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.3 °C-0.5 °C52.07 mm
February-7.8 °C1.7 °C50.8 mm
March-2.4 °C8.3 °C60.2 mm
April3.3 °C15.5 °C99.06 mm
May9.4 °C21.7 °C124.71 mm
June15 °C27.1 °C115.06 mm
July17.6 °C29.2 °C98.3 mm
August16.6 °C28.2 °C102.87 mm
September12.2 °C24.7 °C83.82 mm
October5.4 °C17.4 °C90.42 mm
November-0.6 °C9.2 °C65.53 mm
December-6 °C2.4 °C56.39 mm
Annual4.5 °C15.4 °C999.23 mm

Climate Data for Warrenville 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 5b : -26.1°C to -23.3°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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