Owase, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Owase is known for the Kumano Kodo pilgrimage routes and the Owase Hinoki forests. The best time to travel to Owase, Japan, is in May when the average air temperature is around 20°C (68°F) and the average water temperature is approximately 19°C (66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!