Homer Glen Illinois Climate Data

Monthly Average Climate Data for Homer Glen Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F32.1 °F2.19 in.
February19.0 °F35.9 °F2.06 in.
March28.6 °F47.6 °F2.47 in.
April39.3 °F60.5 °F3.95 in.
May50.0 °F71.4 °F4.84 in.
June60.0 °F81.0 °F4.54 in.
July64.6 °F85.0 °F4.42 in.
August63.0 °F83.0 °F4.19 in.
September55.4 °F77.1 °F3.34 in.
October42.9 °F63.7 °F3.51 in.
November32.3 °F49.4 °F2.49 in.
December22.0 °F37.0 °F2.21 in.
Annual41.1 °F60.3 °F40.21 in.

Climate Data for Homer Glen Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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