Yorkville Illinois Climate Data

Monthly Average Climate Data for Yorkville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.6 °F31.2 °F1.9 in.
February18.4 °F35.2 °F1.83 in.
March28.1 °F47.2 °F2.38 in.
April38.8 °F60.3 °F3.9 in.
May49.9 °F71.4 °F4.75 in.
June59.9 °F80.9 °F4.61 in.
July63.7 °F84.2 °F3.98 in.
August62.0 °F82.4 °F3.88 in.
September54.1 °F76.8 °F3.37 in.
October42.0 °F63.7 °F3.34 in.
November31.4 °F49.0 °F2.51 in.
December21.4 °F36.4 °F2.14 in.
Annual40.4 °F59.9 °F38.59 in.

Climate Data for Yorkville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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