Langleyville Illinois Climate Data

Monthly Average Climate Data for Langleyville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.1 °C1.9 °C55.12 mm
February-5.2 °C4.6 °C52.07 mm
March-0.2 °C10.9 °C72.39 mm
April5.7 °C18.2 °C107.95 mm
May11.9 °C23.8 °C119.63 mm
June16.9 °C28.6 °C119.63 mm
July18.6 °C30.2 °C96.52 mm
August17.3 °C29.4 °C88.39 mm
September12.8 °C26.7 °C83.06 mm
October6.4 °C19.7 °C84.84 mm
November0.6 °C11.2 °C82.8 mm
December-4.2 °C4.6 °C59.94 mm
Annual6.1 °C17.5 °C1022.34 mm

Climate Data for Langleyville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com