Louisville Illinois Climate Data

Monthly Average Climate Data for Louisville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C3.7 °C81.53 mm
February-3.6 °C6.3 °C63.75 mm
March1.3 °C12.3 °C93.22 mm
April7 °C19.3 °C123.44 mm
May12.9 °C24.6 °C128.02 mm
June17.7 °C29.4 °C121.92 mm
July19.2 °C31 °C105.41 mm
August17.9 °C30.4 °C90.68 mm
September13.6 °C27.3 °C83.57 mm
October7.4 °C20.8 °C85.6 mm
November1.7 °C12.6 °C102.36 mm
December-2.7 °C6.1 °C77.72 mm
Annual7.3 °C18.7 °C1157.22 mm

Climate Data for Louisville Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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