Calumet City Illinois Climate Data

Monthly Average Climate Data for Calumet City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.7 °F32.9 °F2.26 in.
February21.3 °F36.4 °F2.12 in.
March30.2 °F46.6 °F2.37 in.
April40.2 °F58.7 °F3.67 in.
May50.7 °F69.5 °F4.24 in.
June60.7 °F79.4 °F4.61 in.
July66.1 °F83.5 °F4.32 in.
August64.8 °F81.9 °F4.11 in.
September57.3 °F76.0 °F3.27 in.
October45.5 °F63.4 °F3.63 in.
November34.4 °F49.7 °F2.83 in.
December24.5 °F37.9 °F2.33 in.
Annual42.9 °F59.7 °F39.76 in.

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 : -10°F to -5°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