Earlville Illinois Climate Data

Monthly Average Climate Data for Earlville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F29.9 °F1.77 in.
February17.6 °F34.3 °F1.76 in.
March27.4 °F46.7 °F2.33 in.
April37.8 °F60.3 °F3.63 in.
May49.6 °F71.7 °F4.68 in.
June59.4 °F80.7 °F4.62 in.
July63.0 °F83.6 °F4.19 in.
August60.8 °F81.8 °F3.91 in.
September52.6 °F76.3 °F3.51 in.
October40.9 °F63.5 °F3.2 in.
November30.2 °F48.3 °F2.55 in.
December19.9 °F35.3 °F2.0 in.
Annual39.4 °F59.4 °F38.15 in.

Climate Data for Earlville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 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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