Hai Duong is a warm humid East Asian continental monsoon climate, with cold winter and summer without the heat, a pleasant climate, the average temperature of 12 degrees Celsius.

• 海阳属暖温带东亚湿润季风型大陆气候，冬无严寒，夏无酷暑，气候宜人，年平均气温12摄氏度。