Kawatana, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kawatana is known for Kawatana Onsen, a hot spring resort offering traditional Japanese baths and scenic views. The best time to travel to Kawatana, Japan, is in April when the average air temperature is around 15°C (59°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!