Crete Illinois Climate Data

Monthly Average Climate Data for Crete Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.5 °F31.7 °F2.35 in.
February19.4 °F35.7 °F2.19 in.
March28.7 °F46.7 °F2.37 in.
April39.2 °F59.5 °F3.84 in.
May50.0 °F70.3 °F4.47 in.
June59.8 °F80.2 °F4.75 in.
July64.5 °F84.0 °F4.47 in.
August62.8 °F82.2 °F4.21 in.
September55.2 °F75.8 °F3.33 in.
October43.0 °F62.9 °F3.55 in.
November32.4 °F49.0 °F2.78 in.
December22.1 °F36.7 °F2.28 in.
Annual41.1 °F59.6 °F40.59 in.

Climate Data for Crete Illinois

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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