April in Haimen averages a daily high of 25.4°C with nights around 18.8°C. Expect roughly 10.4 wet days totalling 139.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Haimen is October–January.
Based on SHANTOU, CH (24.1km), 1995–2024. 16 years of April data.