San Ya Shi, China offers 1 beach perfect for sunbathing, surfing, swimming, and more. San Ya Shi is known for its beautiful beaches and tropical climate, making it a popular tourist destination in Hainan, China. The best time to travel to San Ya Shi, China, is from November to April, with average air temperatures around 24-28°C (75-82°F) and water temperatures around 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!