Hanover Park Illinois Climate Data

Monthly Average Climate Data for Hanover Park Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.8 °F30.6 °F2.03 in.
February17.4 °F34.5 °F1.92 in.
March26.9 °F46.1 °F2.27 in.
April37.1 °F58.9 °F3.8 in.
May48.1 °F70.3 °F4.95 in.
June58.1 °F80.3 °F4.59 in.
July63.2 °F84.3 °F3.75 in.
August61.7 °F82.3 °F4.15 in.
September53.7 °F75.5 °F3.48 in.
October41.7 °F62.3 °F3.39 in.
November30.6 °F47.9 °F2.54 in.
December20.8 °F35.9 °F2.15 in.
Annual39.5 °F59.1 °F39.02 in.

Climate Data for Hanover Park 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 5b : -15°F to -10°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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