December in Gushu averages a daily high of 9.8°C with nights around 1.7°C. Expect roughly 6.1 wet days totalling 33.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gushu is April–May.
Based on NANJING, CH (57.3km), 1995–2024. 18 years of December data.