Elmhurst Illinois Climate Data

Monthly Average Climate Data for Elmhurst Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F31.4 °F2.14 in.
February19.2 °F35.3 °F2.15 in.
March28.6 °F46.5 °F2.3 in.
April38.9 °F58.7 °F3.89 in.
May49.8 °F70.0 °F4.72 in.
June59.8 °F80.0 °F4.49 in.
July65.0 °F84.3 °F3.73 in.
August63.6 °F82.4 °F4.15 in.
September55.6 °F75.7 °F3.37 in.
October43.4 °F62.7 °F3.44 in.
November32.1 °F48.5 °F2.58 in.
December22.4 °F36.6 °F2.28 in.
Annual41.3 °F59.3 °F39.24 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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