Roselle Illinois Climate Data

Monthly Average Climate Data for Roselle Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.4 °C-0.7 °C52.58 mm
February-7.9 °C1.5 °C50.29 mm
March-2.7 °C7.9 °C58.17 mm
April2.9 °C14.9 °C96.77 mm
May9.1 °C21.3 °C123.44 mm
June14.6 °C26.8 °C115.32 mm
July17.4 °C29.1 °C94.23 mm
August16.6 °C28 °C105.16 mm
September12.2 °C24.2 °C86.87 mm
October5.6 °C16.9 °C85.85 mm
November-0.7 °C8.9 °C64.77 mm
December-6.1 °C2.2 °C55.88 mm
Annual4.3 °C15.1 °C989.33 mm

Climate Data for Roselle 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation