Cicero Illinois Climate Data

Monthly Average Climate Data for Cicero Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.6 °F31.9 °F2.18 in.
February21.4 °F35.6 °F2.07 in.
March30.3 °F46.1 °F2.35 in.
April40.5 °F58.6 °F3.97 in.
May51.5 °F69.7 °F4.68 in.
June61.7 °F79.7 °F4.35 in.
July67.2 °F84.2 °F4.44 in.
August66.1 °F82.3 °F4.11 in.
September58.6 °F75.9 °F3.26 in.
October46.1 °F63.1 °F3.46 in.
November34.5 °F48.9 °F2.57 in.
December24.3 °F37.2 °F2.33 in.
Annual43.4 °F59.4 °F39.77 in.

Climate Data for Cicero 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