March in Haizhou averages a daily high of 13.4°C with nights around 3.5°C. Expect roughly 5.3 wet days totalling 32.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Haizhou is April–May.
Based on GANYU, CH (29.8km), 1995–2024. 24 years of March data.