Shinhidaka, Japan offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Shinhidaka is known for the Hidaka Mountains and the Shizunai Nijukken Road Cherry Blossom Avenue. The best time to travel to Shinhidaka, Japan, is in late spring (May to June) when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!