Kadogawa, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kadogawa, Kyushu, Japan, is known for the Kadogawa Seaside Park and the Kadogawa Dolphin Land. The best time to travel to Kadogawa, Japan, is from April to June, with average air temperatures around 18-25°C (64-77°F) and water temperatures approximately 20-23°C (68-73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!