Bei Hai Shi, China offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bei Hai Shi is known for Silver Beach, Weizhou Island, and Beihai Underwater World. The best time to travel to Bei Hai Shi, China, is from April to June, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!