Willisville Illinois Climate Data

Monthly Average Climate Data for Willisville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.7 °F40.7 °F2.85 in.
February27.1 °F45.9 °F2.65 in.
March35.3 °F55.8 °F3.94 in.
April45.5 °F67.3 °F5.05 in.
May55.9 °F76.4 °F5.11 in.
June64.7 °F85.1 °F4.53 in.
July68.3 °F88.0 °F3.91 in.
August65.8 °F87.1 °F2.97 in.
September57.6 °F80.9 °F3.38 in.
October46.2 °F69.9 °F3.24 in.
November36.1 °F55.9 °F3.92 in.
December27.7 °F44.7 °F3.09 in.
Annual46.2 °F66.5 °F44.64 in.

Climate Data for Willisville Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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