Le Roy Illinois Climate Data

Monthly Average Climate Data for Le Roy Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C0.4 °C56.64 mm
February-6.8 °C3.1 °C50.04 mm
March-1.7 °C9.6 °C67.82 mm
April4.4 °C17.1 °C96.27 mm
May11.1 °C23.1 °C111 mm
June16.3 °C27.9 °C110.49 mm
July17.9 °C29.4 °C106.68 mm
August16.7 °C28.5 °C88.9 mm
September12.4 °C25.8 °C87.38 mm
October5.9 °C18.6 °C86.87 mm
November-0.2 °C10.3 °C72.9 mm
December-5.4 °C3.3 °C60.45 mm
Annual5.2 °C16.4 °C995.44 mm

Climate Data for Le Roy Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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