Walnut Hill Illinois Climate Data

Monthly Average Climate Data for Walnut Hill Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F38.7 °F3.0 in.
February25.5 °F43.5 °F2.67 in.
March34.1 °F53.9 °F3.76 in.
April44.4 °F65.8 °F4.87 in.
May55.2 °F75.2 °F5.12 in.
June63.8 °F84.3 °F4.68 in.
July67.2 °F87.3 °F4.05 in.
August64.8 °F86.5 °F3.44 in.
September56.6 °F80.5 °F3.39 in.
October45.1 °F69.0 °F3.39 in.
November35.0 °F54.3 °F3.9 in.
December26.8 °F42.9 °F3.01 in.
Annual45.1 °F65.2 °F45.28 in.

Climate Data for Walnut Hill 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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