Manlius Illinois Climate Data

Monthly Average Climate Data for Manlius Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-1.1 °C44.96 mm
February-8 °C1.4 °C44.96 mm
March-2.4 °C8.4 °C60.45 mm
April3.6 °C15.9 °C92.46 mm
May10.2 °C22.1 °C122.94 mm
June15.7 °C27.1 °C124.46 mm
July17.5 °C28.7 °C100.58 mm
August16.3 °C27.8 °C100.08 mm
September11.6 °C24.6 °C88.14 mm
October5.2 °C17.6 °C75.69 mm
November-1.1 °C9.1 °C61.21 mm
December-6.7 °C1.9 °C49.53 mm
Annual4.3 °C15.3 °C965.46 mm

Climate Data for Manlius Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°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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