Oakbrook Terrace Illinois Climate Data

Monthly Average Climate Data for Oakbrook Terrace Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.3 °F31.7 °F2.18 in.
February19.0 °F35.6 °F2.16 in.
March28.4 °F47.2 °F2.34 in.
April38.7 °F59.7 °F3.93 in.
May49.6 °F71.0 °F4.79 in.
June59.7 °F80.9 °F4.52 in.
July64.7 °F85.0 °F3.84 in.
August63.0 °F83.0 °F4.22 in.
September55.3 °F76.5 °F3.38 in.
October43.1 °F63.4 °F3.51 in.
November31.9 °F48.8 °F2.6 in.
December22.1 °F36.8 °F2.29 in.
Annual41 °F60 °F39.76 in.

Climate Data for Oakbrook Terrace Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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