Yakumo, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Yakumo is known for its scenic beauty and the Yakumo Onsen hot springs. The best time to travel to Yakumo, 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!