Naples Illinois Climate Data

Monthly Average Climate Data for Naples Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.2 °C2.2 °C54.36 mm
February-5.3 °C5.1 °C48.51 mm
March-0.3 °C11.4 °C69.34 mm
April5.6 °C18.4 °C101.85 mm
May11.7 °C23.8 °C118.36 mm
June16.8 °C28.7 °C122.43 mm
July18.9 °C30.6 °C105.41 mm
August17.4 °C29.9 °C88.14 mm
September12.9 °C26.6 °C87.88 mm
October6.5 °C19.8 °C77.47 mm
November0.5 °C11.8 °C74.17 mm
December-4.3 °C4.9 °C58.17 mm
Annual6.1 °C17.8 °C1006.09 mm

Climate Data for Naples Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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