Kildeer Illinois Climate Data

Monthly Average Climate Data for Kildeer Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.0 °F30.4 °F1.95 in.
February17.8 °F34.2 °F1.97 in.
March27.2 °F45.4 °F2.27 in.
April37.4 °F57.9 °F3.79 in.
May48.3 °F69.2 °F4.58 in.
June58.3 °F79.3 °F4.52 in.
July63.5 °F83.6 °F3.8 in.
August62.1 °F81.5 °F4.02 in.
September54.1 °F74.7 °F3.35 in.
October42.3 °F61.9 °F3.25 in.
November31.1 °F47.6 °F2.38 in.
December21.1 °F35.7 °F2.11 in.
Annual39.9 °F58.5 °F37.99 in.

Climate Data for Kildeer 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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