Polo Illinois Climate Data

Monthly Average Climate Data for Polo Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F29.4 °F1.8 in.
February15.9 °F33.7 °F1.85 in.
March26.4 °F46.2 °F2.43 in.
April36.7 °F60.1 °F3.84 in.
May48.5 °F71.6 °F4.74 in.
June58.4 °F80.7 °F5.21 in.
July61.6 °F83.5 °F4.56 in.
August59.5 °F82.1 °F3.95 in.
September51.1 °F76.3 °F3.69 in.
October39.9 °F63.2 °F2.91 in.
November28.9 °F47.7 °F2.4 in.
December18.7 °F34.7 °F2.14 in.
Annual38.2 °F59.1 °F39.52 in.

Climate Data for Polo 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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