Peru Illinois Climate Data

Monthly Average Climate Data for Peru Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C-0.2 °C43.94 mm
February-7.1 °C2.3 °C43.43 mm
March-1.8 °C9.2 °C59.94 mm
April4.1 °C16.7 °C87.88 mm
May10.3 °C22.8 °C115.82 mm
June15.8 °C27.8 °C108.71 mm
July17.8 °C29.3 °C97.28 mm
August16.7 °C28.4 °C91.95 mm
September12.3 °C25.3 °C84.84 mm
October5.8 °C18.3 °C75.69 mm
November-0.2 °C9.9 °C62.23 mm
December-5.8 °C2.7 °C49.78 mm
Annual4.9 °C16 °C921.49 mm

Climate Data for Peru 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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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