December in Tongren averages a daily high of 11.9°C with nights around 4°C. Expect roughly 8.6 wet days totalling 30.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tongren is September–November.
Based on ZHIJIANG, CH (57.4km), 1995–2024. 26 years of December data.