Orland Hills Illinois Climate Data

Monthly Average Climate Data for Orland Hills Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C0.2 °C55.88 mm
February-7.1 °C2.3 °C52.83 mm
March-1.8 °C8.7 °C61.72 mm
April4.1 °C15.7 °C100.33 mm
May10 °C21.8 °C120.65 mm
June15.6 °C27.2 °C114.05 mm
July18.1 °C29.6 °C113.28 mm
August17.2 °C28.4 °C106.43 mm
September13.1 °C25 °C84.33 mm
October6.2 °C17.6 °C88.65 mm
November0.2 °C9.7 °C65.02 mm
December-5.5 °C2.9 °C57.15 mm
Annual5.1 °C15.8 °C1020.32 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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