Milledgeville Illinois Climate Data

Monthly Average Climate Data for Milledgeville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.9 °C-1.6 °C42.67 mm
February-8.9 °C0.9 °C47.24 mm
March-3.1 °C7.8 °C60.2 mm
April2.8 °C15.6 °C96.52 mm
May9.4 °C21.9 °C122.43 mm
June14.9 °C27 °C130.81 mm
July16.7 °C28.6 °C112.27 mm
August15.5 °C27.8 °C103.63 mm
September10.8 °C24.5 °C92.46 mm
October4.5 °C17.3 °C70.61 mm
November-1.7 °C8.6 °C57.15 mm
December-7.4 °C1.4 °C50.8 mm
Annual3.6 °C15 °C986.79 mm

Climate Data for Milledgeville 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 : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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