Viola Illinois Climate Data

Monthly Average Climate Data for Viola Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10 °C-0.8 °C40.39 mm
February-8.1 °C1.8 °C46.48 mm
March-2.2 °C9.2 °C61.21 mm
April3.8 °C16.4 °C96.27 mm
May10.5 °C22.3 °C124.97 mm
June15.9 °C27.2 °C121.16 mm
July17.9 °C28.9 °C101.85 mm
August16.7 °C27.9 °C96.01 mm
September12.2 °C24.7 °C94.49 mm
October5.6 °C17.6 °C72.64 mm
November-1 °C9.2 °C58.93 mm
December-6.7 °C2.3 °C49.78 mm
Annual4.6 °C15.6 °C964.18 mm

Climate Data for Viola 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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