Uken, Japan offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Uken is known for its proximity to the Amami Gunto National Park, which offers stunning natural landscapes and diverse wildlife. The best time to travel to Uken, 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!