Hebron Illinois Climate Data

Monthly Average Climate Data for Hebron Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C-1.7 °C44.96 mm
February-8.9 °C0.5 °C46.48 mm
March-3.7 °C7 °C55.63 mm
April2.1 °C14.1 °C95.5 mm
May8.7 °C20.6 °C112.52 mm
June13.9 °C25.9 °C128.02 mm
July16.3 °C27.9 °C95.5 mm
August15.3 °C27.1 °C99.06 mm
September11 °C23.5 °C91.19 mm
October4.7 °C16.2 °C75.95 mm
November-1.3 °C8.2 °C61.21 mm
December-7.1 °C1.1 °C51.05 mm
Annual3.4 °C14.2 °C957.07 mm

Climate Data for Hebron Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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