Kudamatsu, Japan offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Kudamatsu is known for its scenic views of the Seto Inland Sea and the nearby Kintai Bridge. The best time to travel to Kudamatsu, 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!