Toyohashi, Japan offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Toyohashi is known for its historic Yoshida Castle and vibrant annual Toyohashi Gion Festival. The best time to travel to Toyohashi, Japan, is in April when the average air temperature is around 15°C (59°F) and the average water temperature is about 14°C (57°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!