Millersburg Illinois Climate Data

Monthly Average Climate Data for Millersburg Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.2 °F30.5 °F1.5 in.
February17.7 °F35.0 °F1.78 in.
March28.3 °F48.1 °F2.46 in.
April39.3 °F61.4 °F3.77 in.
May51.3 °F72.0 °F4.94 in.
June61.0 °F81.1 °F4.72 in.
July64.6 °F84.3 °F4.0 in.
August62.3 °F82.3 °F3.91 in.
September54.2 °F76.3 °F3.65 in.
October42.3 °F63.5 °F2.83 in.
November30.5 °F48.7 °F2.3 in.
December20.3 °F35.9 °F1.94 in.
Annual40.5 °F59.9 °F37.8 in.

Climate Data for Millersburg Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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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