December in Yunmen averages a daily high of 11.8°C with nights around 7.8°C. Expect roughly 8.3 wet days totalling 23.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yunmen is March–May.
Based on CHONGQING, CH (57.3km), 1995–2024. 26 years of December data.