Lily Lake Illinois Climate Data

Monthly Average Climate Data for Lily Lake Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C-1.6 °C48.01 mm
February-8.6 °C0.8 °C46.99 mm
March-3.2 °C7.4 °C59.18 mm
April2.4 °C14.7 °C93.98 mm
May8.9 °C21.1 °C127.25 mm
June14.4 °C26.4 °C112.52 mm
July16.7 °C28.2 °C99.57 mm
August15.7 °C27.1 °C100.33 mm
September11 °C23.7 °C91.69 mm
October4.7 °C16.5 °C85.09 mm
November-1.2 °C8.3 °C65.02 mm
December-7 °C1.4 °C55.63 mm
Annual3.6 °C14.5 °C985.26 mm

Climate Data for Lily Lake 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 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com