July in Haizhou averages a daily high of 30.2°C with nights around 23.8°C. Expect roughly 12.4 wet days totalling 288.6mm. 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 July data.