Carol Stream Illinois Climate Data

Monthly Average Climate Data for Carol Stream Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.3 °C-0.5 °C52.58 mm
February-7.8 °C1.7 °C50.55 mm
March-2.6 °C8.1 °C58.67 mm
April3.2 °C15.2 °C97.28 mm
May9.2 °C21.4 °C124.21 mm
June14.8 °C26.9 °C114.3 mm
July17.5 °C29.2 °C95 mm
August16.7 °C28.1 °C104.14 mm
September12.3 °C24.4 °C85.85 mm
October5.6 °C17.1 °C87.88 mm
November-0.6 °C9.1 °C65.28 mm
December-6 °C2.3 °C56.13 mm
Annual4.4 °C15.3 °C991.87 mm

Climate Data for Carol Stream Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation