March in Zhoushan averages a daily high of 15.1°C with nights around 7.1°C. Expect roughly 14.6 wet days totalling 133.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Zhoushan is October.
Based on DINGHAI, CH (9.8km), 1995–2024. 24 years of March data.