December in Xucheng averages a daily high of 22.3°C with nights around 17.5°C. Expect roughly 6.5 wet days totalling 36.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Xucheng is November–March.
Based on HAIKOU, CH (37.7km), 1995–2024. 25 years of December data.