Aki, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Aki is known for the Yokoyama Memorial Manga Museum, which celebrates the work of manga artist Ryuichi Yokoyama. The best time to travel to Aki, Japan, is in late spring (May), when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!