Lisle Illinois Climate Data

Monthly Average Climate Data for Lisle Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.1 °F31.7 °F2.15 in.
February18.7 °F35.6 °F2.08 in.
March28.2 °F47.3 °F2.38 in.
April38.5 °F60.2 °F3.97 in.
May49.5 °F71.4 °F4.88 in.
June59.6 °F81.1 °F4.59 in.
July64.1 °F85.0 °F3.94 in.
August62.6 °F83.1 °F4.18 in.
September54.8 °F76.7 °F3.31 in.
October42.7 °F63.7 °F3.58 in.
November31.7 °F49.0 °F2.6 in.
December21.9 °F36.8 °F2.27 in.
Annual40.7 °F60.1 °F39.93 in.

Climate Data for Lisle 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation