Owaneco Illinois Climate Data

Monthly Average Climate Data for Owaneco Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7 °C2 °C57.4 mm
February-5.2 °C4.8 °C52.32 mm
March-0.1 °C11.1 °C71.88 mm
April5.7 °C18.3 °C111 mm
May11.9 °C23.9 °C119.38 mm
June16.8 °C28.6 °C120.4 mm
July18.5 °C30.3 °C97.54 mm
August17.4 °C29.5 °C84.33 mm
September12.8 °C26.8 °C83.06 mm
October6.5 °C19.8 °C85.85 mm
November0.7 °C11.3 °C84.07 mm
December-4 °C4.7 °C61.72 mm
Annual6.2 °C17.6 °C1028.95 mm

Climate Data for Owaneco 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 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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