Littleton Illinois Climate Data

Monthly Average Climate Data for Littleton Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C0.9 °C49.53 mm
February-6.4 °C3.6 °C49.28 mm
March-1 °C10.3 °C64.01 mm
April4.9 °C17.3 °C100.33 mm
May11.3 °C22.9 °C127 mm
June16.6 °C27.8 °C121.92 mm
July18.4 °C29.7 °C101.6 mm
August17.1 °C28.8 °C93.98 mm
September12.4 °C25.6 °C90.93 mm
October6 °C18.7 °C79.5 mm
November-0.1 °C10.7 °C69.85 mm
December-5.3 °C3.7 °C53.34 mm
Annual5.4 °C16.7 °C1001.27 mm

Climate Data for Littleton 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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