Ainan, Japan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Ainan is known for its scenic coastline and the Uwakai Sea, which is popular for diving and marine activities. The best time to travel to Ainan, Japan, is from April to June, with average air temperatures ranging from 15°C to 25°C and water temperatures around 18°C to 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
