Sidney Illinois Climate Data

Monthly Average Climate Data for Sidney Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.7 °C1.1 °C58.42 mm
February-6 °C3.6 °C52.32 mm
March-0.9 °C10.1 °C70.61 mm
April5 °C17.6 °C104.14 mm
May11.4 °C23.3 °C113.03 mm
June16.6 °C27.9 °C121.92 mm
July18 °C29.2 °C105.92 mm
August16.7 °C28.4 °C76.96 mm
September12.7 °C25.9 °C81.53 mm
October6.2 °C18.9 °C85.09 mm
November0.3 °C10.7 °C82.3 mm
December-4.5 °C3.8 °C61.72 mm
Annual5.7 °C16.7 °C1013.96 mm

Climate Data for Sidney 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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