Elmhurst Illinois Climate Data

Monthly Average Climate Data for Elmhurst Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C-0.3 °C54.36 mm
February-7.1 °C1.8 °C54.61 mm
March-1.9 °C8.1 °C58.42 mm
April3.8 °C14.8 °C98.81 mm
May9.9 °C21.1 °C119.89 mm
June15.4 °C26.7 °C114.05 mm
July18.3 °C29.1 °C94.74 mm
August17.6 °C28 °C105.41 mm
September13.1 °C24.3 °C85.6 mm
October6.3 °C17.1 °C87.38 mm
November0.1 °C9.2 °C65.53 mm
December-5.3 °C2.6 °C57.91 mm
Annual5.1 °C15.2 °C996.71 mm

Climate Data for Elmhurst 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 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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