Kilbourne Illinois Climate Data

Monthly Average Climate Data for Kilbourne Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.2 °F34.4 °F2.07 in.
February20.5 °F39.0 °F1.95 in.
March30.3 °F51.2 °F2.58 in.
April40.7 °F64.0 °F3.92 in.
May52.6 °F74.5 °F4.82 in.
June62.0 °F83.3 °F4.78 in.
July65.1 °F86.4 °F4.22 in.
August62.8 °F85.0 °F3.49 in.
September54.4 °F79.8 °F3.5 in.
October42.3 °F67.0 °F3.11 in.
November31.9 °F51.9 °F2.86 in.
December23.0 °F39.7 °F2.27 in.
Annual41.9 °F63 °F39.57 in.

Climate Data for Kilbourne 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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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