Timberlane Illinois Climate Data

Monthly Average Climate Data for Timberlane Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F28.6 °F1.64 in.
February16.0 °F32.8 °F1.62 in.
March25.9 °F44.8 °F2.14 in.
April36.5 °F58.0 °F3.7 in.
May48.0 °F69.7 °F4.43 in.
June57.9 °F79.4 °F5.49 in.
July62.0 °F82.9 °F3.92 in.
August60.2 °F81.2 °F4.16 in.
September52.1 °F74.8 °F3.6 in.
October40.5 °F61.7 °F2.89 in.
November29.5 °F46.5 °F2.36 in.
December19.1 °F34.0 °F2.0 in.
Annual38.4 °F57.9 °F37.95 in.

Climate Data for Timberlane Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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