Dalian, China offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Dalian is known for its beautiful beaches and modern architecture. The best time to travel to Dalian, China, is from May to October, with average air temperatures ranging from 15°C to 25°C and water temperatures from 15°C to 23°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!