Chatan, Japan offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Chatan is known for its American Village, a vibrant entertainment and shopping complex. The best time to travel to Chatan, Japan, is from April to June, with average air temperatures ranging from 20°C to 28°C and water temperatures around 23°C to 26°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!