December in Nanchang averages a daily high of 12.2°C with nights around 5.1°C. Expect roughly 8.4 wet days totalling 50.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nanchang is October–November.
Based on NANCHANG, CH (11.2km), 1995–2024. 26 years of December data.