Libertyville Illinois Climate Data

Monthly Average Climate Data for Libertyville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.8 °C-0.7 °C50.55 mm
February-7.2 °C1.3 °C50.8 mm
March-2.2 °C7.1 °C58.42 mm
April3.6 °C13.6 °C98.3 mm
May9.4 °C19.9 °C112.78 mm
June15.1 °C25.6 °C113.28 mm
July18.2 °C28.1 °C95.76 mm
August17.5 °C27.2 °C95.25 mm
September13.1 °C23.5 °C90.42 mm
October6.6 °C16.4 °C82.55 mm
November0.2 °C8.7 °C62.23 mm
December-5.4 °C2.3 °C53.85 mm
Annual5 °C14.4 °C964.19 mm

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 : -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