Toyotomi, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Toyotomi is known for its Toyotomi Onsen, a popular hot spring destination in Hokkaido, Japan. The best time to travel to Toyotomi, Japan, is in late spring (May), when the average air temperature is around 15°C (59°F) and the water temperature is approximately 10°C (50°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!