Swimming in China in may 2025 Sea temperature by city in may

In may in China swimming conditions vary by city. Details below:

In may in Hong Kong Island, Hong Kong, Hainan island (Haikou), Kowloon, Tai Po, Beihai, Hailing island, Hainan, Hebao Island, Cheung Chau, Lamma Island, Macao, Victoria Peak , Repulse Bay beach, Sanya, Shek O Beach, Shenzhen and Wanshan islands, swimming conditions are perfect! With water reaching a maximum of 85°F and an average of 81°F, going in the water (and staying there!) feels great.

As for Wenzhou, Fuzhou, Kinmen, Matsu Islands, Xiamen, Quanzhou and Shantou, swimming is pleasant in may. The sea water is 72°F on average (min: 67°F/max: 78°F) so you can easily spend time in the water.

Swimming in may in Shanghai, Hangzhou, Nantong, Ningbo and Zhoushan is possible but the sea is generally cool. So though the sea temperature may sometimes reach 73°F, it can also go as low as 61°F. Note that the average is 67°F.

Forget about swimming in Dalian, Qingdao, Huludao, Panjin Honghaitan and Yantai in may! The water temperature is freezing, reaching as low as 45°F (and only 61°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!