Cicero Illinois Climate Data

Monthly Average Climate Data for Cicero Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.4 °C-0.1 °C55.37 mm
February-5.9 °C2 °C52.58 mm
March-0.9 °C7.8 °C59.69 mm
April4.7 °C14.8 °C100.84 mm
May10.8 °C20.9 °C118.87 mm
June16.5 °C26.5 °C110.49 mm
July19.6 °C29 °C112.78 mm
August18.9 °C27.9 °C104.39 mm
September14.8 °C24.4 °C82.8 mm
October7.8 °C17.3 °C87.88 mm
November1.4 °C9.4 °C65.28 mm
December-4.3 °C2.9 °C59.18 mm
Annual6.3 °C15.2 °C1010.15 mm

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 : -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