Langleyville Illinois Climate Data

Monthly Average Climate Data for Langleyville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.2 °F35.4 °F2.17 in.
February22.6 °F40.3 °F2.05 in.
March31.6 °F51.7 °F2.85 in.
April42.2 °F64.7 °F4.25 in.
May53.5 °F74.8 °F4.71 in.
June62.4 °F83.4 °F4.71 in.
July65.4 °F86.3 °F3.8 in.
August63.2 °F84.9 °F3.48 in.
September55.0 °F80.0 °F3.27 in.
October43.6 °F67.4 °F3.34 in.
November33.1 °F52.2 °F3.26 in.
December24.5 °F40.3 °F2.36 in.
Annual43 °F63.5 °F40.25 in.

Climate Data for Langleyville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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