Kewanee Illinois Climate Data

Monthly Average Climate Data for Kewanee Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.3 °C-1.2 °C47.24 mm
February-8.4 °C1.3 °C51.05 mm
March-2.7 °C8.5 °C61.47 mm
April3.2 °C15.8 °C99.57 mm
May10 °C21.9 °C127.51 mm
June15.5 °C26.8 °C125.48 mm
July17.2 °C28.4 °C96.52 mm
August15.9 °C27.6 °C95.25 mm
September11.2 °C24.4 °C92.2 mm
October4.8 °C17.4 °C74.17 mm
November-1.4 °C9 °C62.74 mm
December-7.1 °C1.8 °C52.83 mm
Annual4 °C15.1 °C986.03 mm

Climate Data for Kewanee Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost100-125 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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