December in South Fulton averages a daily high of 13.5°C with nights around 3.7°C. Expect roughly 10.6 wet days totalling 119.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit South Fulton is April–May.
Based on ATLANTA HARTSFIELD JACKSON INTERNATIONAL AIRPORT, GA US (21.8km), 1995–2024. 30 years of December data.