Keensburg Illinois Climate Data

Monthly Average Climate Data for Keensburg Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.6 °F40.0 °F3.54 in.
February26.4 °F45.1 °F2.87 in.
March34.6 °F55.1 °F4.13 in.
April45.0 °F67.4 °F5.04 in.
May55.8 °F77.0 °F5.16 in.
June64.4 °F85.4 °F4.6 in.
July67.3 °F88.3 °F4.26 in.
August65.2 °F87.4 °F3.18 in.
September57.4 °F81.9 °F3.39 in.
October45.8 °F70.1 °F3.43 in.
November35.4 °F55.6 °F3.89 in.
December27.4 °F44.3 °F3.54 in.
Annual45.7 °F66.5 °F47.03 in.

Climate Data for Keensburg Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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