Erie Illinois Climate Data

Monthly Average Climate Data for Erie Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F30.1 °F1.65 in.
February17.7 °F34.6 °F1.78 in.
March28.3 °F47.4 °F2.56 in.
April39.3 °F60.9 °F3.75 in.
May51.2 °F72.2 °F4.83 in.
June61.2 °F81.5 °F5.01 in.
July64.7 °F84.5 °F4.16 in.
August62.5 °F82.6 °F4.12 in.
September54.2 °F76.6 °F3.57 in.
October42.4 °F63.8 °F2.94 in.
November30.7 °F48.5 °F2.26 in.
December20.3 °F35.6 °F2.02 in.
Annual40.5 °F59.9 °F38.65 in.

Climate Data for Erie 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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