Benson Illinois Climate Data

Monthly Average Climate Data for Benson Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9 °C0.3 °C54.36 mm
February-7.1 °C2.9 °C48.51 mm
March-1.8 °C9.7 °C66.8 mm
April4.2 °C17.1 °C92.96 mm
May10.7 °C23.2 °C115.57 mm
June16.1 °C28.2 °C104.9 mm
July17.9 °C29.8 °C97.54 mm
August16.7 °C28.8 °C89.41 mm
September12.3 °C25.9 °C90.42 mm
October5.9 °C18.7 °C77.72 mm
November-0.3 °C10.2 °C66.55 mm
December-5.8 °C3.2 °C53.09 mm
Annual5 °C16.5 °C957.83 mm

Climate Data for Benson 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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