Clay City Illinois Climate Data

Monthly Average Climate Data for Clay City Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C3.8 °C83.57 mm
February-3.4 °C6.4 °C64.77 mm
March1.4 °C12.3 °C96.52 mm
April7.1 °C19.1 °C124.97 mm
May13 °C24.5 °C127.51 mm
June17.8 °C29.3 °C125.73 mm
July19.3 °C30.8 °C105.92 mm
August17.9 °C30.3 °C86.36 mm
September13.7 °C27.3 °C84.84 mm
October7.5 °C20.9 °C90.17 mm
November1.8 °C12.6 °C101.09 mm
December-2.6 °C6.2 °C80.77 mm
Annual7.4 °C18.6 °C1172.22 mm

Climate Data for Clay City 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