Macon Illinois Climate Data

Monthly Average Climate Data for Macon Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.2 °F35.4 °F2.28 in.
February22.9 °F40.7 °F2.0 in.
March32.1 °F51.4 °F2.76 in.
April43.1 °F64.2 °F4.28 in.
May54.4 °F74.3 °F4.64 in.
June62.7 °F83.3 °F4.73 in.
July66.1 °F86.2 °F3.65 in.
August64.1 °F84.9 °F3.19 in.
September55.9 °F79.8 °F3.16 in.
October44.5 °F67.1 °F3.21 in.
November33.4 °F52.1 °F3.2 in.
December25.8 °F40.4 °F2.35 in.
Annual43.8 °F63.3 °F39.45 in.

Climate Data for Macon 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com