Masuda, Japan offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Masuda is known for the Iwami Art Museum and the Masuda City Cultural Hall in regard to tourism. The best time to travel to Masuda, Japan, is in May when the average air temperature is around 18°C (64°F) and the average water temperature is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!