Calumet City Illinois Climate Data

Monthly Average Climate Data for Calumet City Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.4 °C0.5 °C57.4 mm
February-5.9 °C2.4 °C53.85 mm
March-1 °C8.1 °C60.2 mm
April4.6 °C14.8 °C93.22 mm
May10.4 °C20.8 °C107.7 mm
June15.9 °C26.3 °C117.09 mm
July18.9 °C28.6 °C109.73 mm
August18.2 °C27.7 °C104.39 mm
September14.1 °C24.4 °C83.06 mm
October7.5 °C17.4 °C92.2 mm
November1.3 °C9.8 °C71.88 mm
December-4.2 °C3.3 °C59.18 mm
Annual6 °C15.3 °C1009.9 mm

Climate Data for Calumet City Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°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