December in Macon averages a daily high of 16.2°C with nights around 3.1°C. Expect roughly 9.6 wet days totalling 115.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Macon is March–April.
Based on MACON MIDDLE GA REGIONAL AIRPORT, GA US (17km), 1995–2024. 30 years of December data.