Tamano, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tamano is known for Uno Port, the gateway to the art-filled islands of the Seto Inland Sea, including Naoshima. The best time to travel to Tamano, Japan, is in May when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!