Manlius Illinois Climate Data

Monthly Average Climate Data for Manlius Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F30.1 °F1.77 in.
February17.6 °F34.6 °F1.77 in.
March27.6 °F47.2 °F2.38 in.
April38.4 °F60.7 °F3.64 in.
May50.4 °F71.8 °F4.84 in.
June60.2 °F80.7 °F4.9 in.
July63.5 °F83.7 °F3.96 in.
August61.3 °F82.0 °F3.94 in.
September52.9 °F76.3 °F3.47 in.
October41.4 °F63.7 °F2.98 in.
November30.0 °F48.4 °F2.41 in.
December19.9 °F35.5 °F1.95 in.
Annual39.8 °F59.6 °F38.01 in.

Climate Data for Manlius Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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