Percy Illinois Climate Data

Monthly Average Climate Data for Percy Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.6 °F40.6 °F2.83 in.
February27.1 °F45.8 °F2.62 in.
March35.3 °F55.8 °F3.92 in.
April45.4 °F67.4 °F5.04 in.
May55.9 °F76.4 °F5.1 in.
June64.7 °F85.2 °F4.52 in.
July68.2 °F88.1 °F3.92 in.
August65.9 °F87.1 °F2.97 in.
September57.5 °F80.9 °F3.39 in.
October46.1 °F70.0 °F3.23 in.
November36.0 °F55.8 °F3.91 in.
December27.6 °F44.6 °F3.07 in.
Annual46.1 °F66.5 °F44.52 in.

Climate Data for Percy 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 7a : 0°F to 5°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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