Libertyville Illinois Climate Data

Monthly Average Climate Data for Libertyville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.2 °F30.7 °F1.99 in.
February19.0 °F34.4 °F2.0 in.
March28.1 °F44.8 °F2.3 in.
April38.4 °F56.5 °F3.87 in.
May49.0 °F67.9 °F4.44 in.
June59.1 °F78.1 °F4.46 in.
July64.7 °F82.5 °F3.77 in.
August63.5 °F80.9 °F3.75 in.
September55.6 °F74.3 °F3.56 in.
October43.8 °F61.6 °F3.25 in.
November32.4 °F47.7 °F2.45 in.
December22.3 °F36.1 °F2.12 in.
Annual41 °F58 °F37.96 in.

Climate Data for Libertyville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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