Kushimoto, Japan offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Kushimoto is known for the Hashigui-iwa rock formations and the Kushimoto Marine Park. The best time to travel to Kushimoto, Japan, is from April to June, with average air temperatures around 18-24°C (64-75°F) and water temperatures around 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!