Germantown Hills Illinois Climate Data

Monthly Average Climate Data for Germantown Hills Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.5 °F31.9 °F2.14 in.
February18.8 °F36.7 °F2.05 in.
March28.5 °F48.9 °F2.56 in.
April39.6 °F62.1 °F3.83 in.
May51.2 °F72.9 °F4.69 in.
June60.9 °F81.8 °F4.47 in.
July64.2 °F84.9 °F3.79 in.
August62.1 °F83.3 °F3.52 in.
September54.2 °F77.9 °F3.5 in.
October42.5 °F64.9 °F3.12 in.
November30.9 °F49.8 °F2.7 in.
December21.2 °F37.2 °F2.09 in.
Annual40.8 °F61 °F38.46 in.

Climate Data for Germantown Hills 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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