Minato, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Minato is known for Tokyo Tower, Roppongi Hills, and the National Art Center. The best time to visit Minato, Japan, is in April when the average air temperature is around 15°C (59°F) and the average water temperature is approximately 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!