Longkou City, China offers 1 beach perfect for sunbathing, surfing, swimming, and more. Longkou City is known for Nanshan Tourist Area and Longkou Noodle Cultural Museum. The best time to travel to Longkou City, China, is in late spring (May), when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!