Wenona Illinois Climate Data

Monthly Average Climate Data for Wenona Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C0.1 °C50.29 mm
February-7.2 °C2.6 °C46.48 mm
March-1.8 °C9.4 °C65.02 mm
April4 °C16.8 °C92.2 mm
May10.6 °C22.9 °C116.59 mm
June16 °C27.8 °C107.19 mm
July17.9 °C29.5 °C98.81 mm
August16.7 °C28.5 °C93.22 mm
September12.1 °C25.5 °C87.38 mm
October5.7 °C18.6 °C76.2 mm
November-0.4 °C10 °C66.8 mm
December-5.8 °C3 °C51.82 mm
Annual4.9 °C16.2 °C952 mm

Climate Data for Wenona 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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