Penfield Illinois Climate Data

Monthly Average Climate Data for Penfield Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.1 °C0.7 °C58.17 mm
February-6.3 °C3.3 °C51.05 mm
March-1.2 °C9.7 °C69.6 mm
April4.7 °C17.3 °C101.85 mm
May11.2 °C23.3 °C114.3 mm
June16.3 °C28 °C119.63 mm
July17.9 °C29.3 °C108.2 mm
August16.6 °C28.6 °C85.34 mm
September12.4 °C26 °C79.5 mm
October5.9 °C18.9 °C84.58 mm
November0.2 °C10.4 °C77.72 mm
December-4.9 °C3.4 °C59.44 mm
Annual5.4 °C16.6 °C1009.38 mm

Climate Data for Penfield Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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