Willow Hill Illinois Climate Data

Monthly Average Climate Data for Willow Hill Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.9 °F37.8 °F3.22 in.
February24.8 °F42.7 °F2.48 in.
March33.6 °F53.5 °F3.61 in.
April43.9 °F65.7 °F4.88 in.
May54.7 °F75.5 °F4.91 in.
June63.5 °F84.0 °F5.0 in.
July66.3 °F87.2 °F4.33 in.
August64.1 °F86.2 °F3.02 in.
September56.1 °F80.9 °F3.32 in.
October44.8 °F68.8 °F3.6 in.
November34.5 °F54.1 °F3.83 in.
December26.4 °F42.3 °F3.15 in.
Annual44.6 °F64.9 °F45.35 in.

Climate Data for Willow Hill Illinois

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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