Calhoun Illinois Climate Data

Monthly Average Climate Data for Calhoun Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F38.5 °F3.44 in.
February25.1 °F43.5 °F2.57 in.
March33.9 °F53.9 °F4.0 in.
April44.1 °F65.9 °F4.98 in.
May55.0 °F75.8 °F5.27 in.
June64.2 °F84.3 °F4.89 in.
July66.8 °F87.5 °F4.55 in.
August64.7 °F86.6 °F2.86 in.
September56.7 °F81.2 °F3.33 in.
October45.4 °F69.2 °F3.65 in.
November34.6 °F54.5 °F4.04 in.
December26.7 °F42.9 °F3.42 in.
Annual45 °F65.3 °F47 in.

Climate Data for Calhoun Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
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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