Louisville Illinois Climate Data

Monthly Average Climate Data for Louisville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F38.6 °F3.21 in.
February25.6 °F43.4 °F2.51 in.
March34.3 °F54.1 °F3.67 in.
April44.6 °F66.7 °F4.86 in.
May55.2 °F76.2 °F5.04 in.
June63.9 °F84.9 °F4.8 in.
July66.6 °F87.8 °F4.15 in.
August64.3 °F86.8 °F3.57 in.
September56.5 °F81.1 °F3.29 in.
October45.4 °F69.5 °F3.37 in.
November35.1 °F54.6 °F4.03 in.
December27.1 °F42.9 °F3.06 in.
Annual45.1 °F65.6 °F45.56 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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