Cedarville Illinois Climate Data

Monthly Average Climate Data for Cedarville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.5 °F28.2 °F1.5 in.
February14.9 °F32.5 °F1.64 in.
March25.5 °F44.8 °F2.06 in.
April36.3 °F58.5 °F3.66 in.
May48.0 °F70.0 °F4.36 in.
June58.1 °F79.4 °F5.48 in.
July61.6 °F82.3 °F4.38 in.
August59.5 °F80.8 °F3.96 in.
September50.9 °F74.3 °F4.0 in.
October39.5 °F61.6 °F2.94 in.
November28.5 °F46.3 °F2.24 in.
December18.0 °F33.6 °F1.84 in.
Annual37.7 °F57.7 °F38.06 in.

Climate Data for Cedarville Illinois

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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