December in Yutan averages a daily high of 11.7°C with nights around 4.2°C. Expect roughly 9.2 wet days totalling 47.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yutan is September–November.
Based on CHANGSHA, CH (30.2km), 1995–2024. 26 years of December data.