Orland Hills Illinois Climate Data

Monthly Average Climate Data for Orland Hills Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F32.3 °F2.2 in.
February19.3 °F36.1 °F2.08 in.
March28.7 °F47.6 °F2.43 in.
April39.3 °F60.3 °F3.95 in.
May50.0 °F71.2 °F4.75 in.
June60.0 °F81.0 °F4.49 in.
July64.6 °F85.2 °F4.46 in.
August63.0 °F83.2 °F4.19 in.
September55.5 °F77.0 °F3.32 in.
October43.1 °F63.7 °F3.49 in.
November32.4 °F49.5 °F2.56 in.
December22.1 °F37.2 °F2.25 in.
Annual41.2 °F60.4 °F40.17 in.

Climate Data for Orland Hills 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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