Streamwood Illinois Climate Data

Monthly Average Climate Data for Streamwood Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.7 °C-0.9 °C50.8 mm
February-8.2 °C1.3 °C48.01 mm
March-2.9 °C7.8 °C57.4 mm
April2.8 °C14.8 °C97.03 mm
May8.9 °C21.2 °C127.76 mm
June14.4 °C26.7 °C117.86 mm
July17.3 °C29 °C96.52 mm
August16.4 °C27.8 °C106.43 mm
September11.9 °C24 °C89.41 mm
October5.3 °C16.7 °C86.11 mm
November-0.9 °C8.7 °C64.26 mm
December-6.3 °C2.1 °C54.36 mm
Annual4.1 °C14.9 °C995.95 mm

Climate Data for Streamwood 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