April in Haicheng averages a daily high of 16°C with nights around 6.6°C. Expect roughly 5.5 wet days totalling 36.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Haicheng is May–June.
Based on YINGKOU, CH (50.5km), 1995–2024. 24 years of April data.