Polo Illinois Climate Data

Monthly Average Climate Data for Polo Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.8 °C-1.4 °C45.72 mm
February-8.9 °C0.9 °C46.99 mm
March-3.1 °C7.9 °C61.72 mm
April2.6 °C15.6 °C97.54 mm
May9.2 °C22 °C120.4 mm
June14.7 °C27.1 °C132.33 mm
July16.4 °C28.6 °C115.82 mm
August15.3 °C27.8 °C100.33 mm
September10.6 °C24.6 °C93.73 mm
October4.4 °C17.3 °C73.91 mm
November-1.7 °C8.7 °C60.96 mm
December-7.4 °C1.5 °C54.36 mm
Annual3.4 °C15.1 °C1003.81 mm

Climate Data for Polo Illinois

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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