Xiuying, China offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Xiuying, Hainan, China, is known for its proximity to the scenic Haikou Volcanic Cluster Global Geopark. The best time to travel to Xiuying, China, is from March to May, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!