Chosei, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Chosei is known for the Chosei Village Boso-no-Mura, a cultural theme park that recreates traditional Japanese village life. The best time to travel to Chosei, 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!