August in Haicheng averages a daily high of 28.5°C with nights around 21.3°C. Expect roughly 8.8 wet days totalling 175.9mm. 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 August data.