Calhoun Illinois Climate Data

Monthly Average Climate Data for Calhoun Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.4 °C3.6 °C87.38 mm
February-3.8 °C6.4 °C65.28 mm
March1.1 °C12.2 °C101.6 mm
April6.7 °C18.8 °C126.49 mm
May12.8 °C24.3 °C133.86 mm
June17.9 °C29.1 °C124.21 mm
July19.3 °C30.8 °C115.57 mm
August18.2 °C30.3 °C72.64 mm
September13.7 °C27.3 °C84.58 mm
October7.4 °C20.7 °C92.71 mm
November1.4 °C12.5 °C102.62 mm
December-2.9 °C6.1 °C86.87 mm
Annual7.2 °C18.5 °C1193.81 mm

Climate Data for Calhoun 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 : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com