Yokohama, Japan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Yokohama is known for its iconic Minato Mirai 21 district, the historic Yokohama Chinatown, and the Cup Noodles Museum. The best time to travel to Yokohama, Japan, is in April when the average air temperature is around 15°C (59°F) and the average water temperature is about 14°C (57°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!