Roxana Illinois Climate Data

Monthly Average Climate Data for Roxana Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.9 °C4 °C66.55 mm
February-2.9 °C7 °C60.45 mm
March1.9 °C12.7 °C86.36 mm
April7.9 °C19 °C122.43 mm
May13.8 °C24.2 °C132.84 mm
June18.8 °C29.1 °C114.05 mm
July20.9 °C30.9 °C106.68 mm
August19.8 °C30.3 °C96.27 mm
September15.2 °C26.8 °C81.79 mm
October8.7 °C20.3 °C84.58 mm
November2.6 °C12.7 °C89.66 mm
December-2.3 °C6.6 °C68.07 mm
Annual8.3 °C18.6 °C1109.73 mm

Climate Data for Roxana Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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