Macon Illinois Climate Data

Monthly Average Climate Data for Macon Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C1.9 °C57.91 mm
February-5.1 °C4.8 °C50.8 mm
March0.1 °C10.8 °C70.1 mm
April6.2 °C17.9 °C108.71 mm
May12.4 °C23.5 °C117.86 mm
June17.1 °C28.5 °C120.14 mm
July18.9 °C30.1 °C92.71 mm
August17.8 °C29.4 °C81.03 mm
September13.3 °C26.6 °C80.26 mm
October6.9 °C19.5 °C81.53 mm
November0.8 °C11.2 °C81.28 mm
December-3.4 °C4.7 °C59.69 mm
Annual6.5 °C17.4 °C1002.02 mm

Climate Data for Macon 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 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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