La Grange Park Illinois Climate Data

Monthly Average Climate Data for La Grange Park Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.6 °F31.7 °F2.18 in.
February20.3 °F35.5 °F2.1 in.
March29.6 °F46.6 °F2.37 in.
April39.9 °F59.3 °F3.97 in.
May50.8 °F70.6 °F4.77 in.
June61.0 °F80.6 °F4.38 in.
July66.1 °F85.0 °F4.1 in.
August64.6 °F82.9 °F4.16 in.
September56.8 °F76.4 °F3.29 in.
October44.4 °F63.3 °F3.47 in.
November33.2 °F49.2 °F2.55 in.
December23.3 °F37.2 °F2.32 in.
Annual42.3 °F59.9 °F39.66 in.

Climate Data for La Grange Park Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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