Nason Illinois Climate Data

Monthly Average Climate Data for Nason Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.8 °C4.4 °C79.76 mm
February-3.1 °C7.1 °C69.85 mm
March1.8 °C12.8 °C100.08 mm
April7.4 °C19.4 °C127 mm
May13.3 °C24.4 °C133.35 mm
June18.1 °C29.3 °C121.41 mm
July20 °C30.9 °C105.41 mm
August18.7 °C30.4 °C79.5 mm
September14.2 °C27.1 °C80.26 mm
October7.7 °C20.7 °C84.33 mm
November2.1 °C12.9 °C104.14 mm
December-2.4 °C6.7 °C79.5 mm
Annual7.8 °C18.8 °C1164.59 mm

Climate Data for Nason Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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