Orland Park Illinois Climate Data

Monthly Average Climate Data for Orland Park Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F32.5 °F2.2 in.
February19.3 °F36.3 °F2.08 in.
March28.8 °F47.9 °F2.41 in.
April39.2 °F60.5 °F3.99 in.
May50.0 °F71.5 °F4.8 in.
June60.2 °F81.5 °F4.39 in.
July64.7 °F86.0 °F4.38 in.
August63.2 °F83.8 °F4.21 in.
September55.4 °F77.5 °F3.29 in.
October43.1 °F63.9 °F3.52 in.
November32.4 °F49.7 °F2.53 in.
December22.2 °F37.3 °F2.29 in.
Annual41.3 °F60.7 °F40.09 in.

Climate Data for Orland Park 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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