China, Japan offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Kyushu, Japan, is known for its hot springs, Mount Aso, and Nagasaki Peace Park. The best time to travel to China and Japan is during spring (April to May) or autumn (September to October), with average air temperatures ranging from 15°C to 25°C and water temperatures around 15°C to 20°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!