Creve Coeur Illinois Climate Data

Monthly Average Climate Data for Creve Coeur Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.2 °F32.8 °F2.11 in.
February19.7 °F37.6 °F2.03 in.
March29.4 °F49.8 °F2.57 in.
April40.4 °F62.4 °F3.86 in.
May51.9 °F73.1 °F4.72 in.
June61.6 °F82.1 °F4.54 in.
July64.9 °F85.3 °F3.97 in.
August62.9 °F83.7 °F3.41 in.
September54.8 °F78.0 °F3.43 in.
October42.8 °F65.2 °F3.17 in.
November31.5 °F50.6 °F2.7 in.
December22.1 °F38.1 °F2.08 in.
Annual41.5 °F61.6 °F38.59 in.

Climate Data for Creve Coeur 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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