Crystal Lawns Illinois Climate Data

Monthly Average Climate Data for Crystal Lawns Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F31.6 °F2.13 in.
February18.7 °F35.5 °F1.96 in.
March28.4 °F47.6 °F2.52 in.
April38.9 °F60.7 °F3.97 in.
May49.9 °F71.6 °F4.82 in.
June60.0 °F81.0 °F4.72 in.
July63.8 °F84.5 °F4.28 in.
August62.3 °F82.7 °F4.22 in.
September54.4 °F77.0 °F3.38 in.
October42.3 °F63.9 °F3.41 in.
November31.8 °F49.2 °F2.47 in.
December21.8 °F36.8 °F2.2 in.
Annual40.7 °F60.2 °F40.08 in.

Climate Data for Crystal Lawns Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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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