Pearl City Illinois Climate Data

Monthly Average Climate Data for Pearl City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.5 °F28.5 °F1.51 in.
February15.0 °F32.8 °F1.67 in.
March25.7 °F45.2 °F2.17 in.
April36.4 °F58.8 °F3.74 in.
May48.1 °F70.4 °F4.43 in.
June58.2 °F79.8 °F5.41 in.
July61.6 °F82.7 °F4.51 in.
August59.4 °F81.1 °F3.93 in.
September50.9 °F74.8 °F3.77 in.
October39.6 °F62.0 °F2.89 in.
November28.5 °F46.6 °F2.26 in.
December18.0 °F33.8 °F1.87 in.
Annual37.7 °F58 °F38.16 in.

Climate Data for Pearl City Illinois

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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