Rishirifuji, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rishirifuji is known for Mount Rishiri, a dormant volcano that offers scenic hiking trails and stunning views. The best time to travel to Rishirifuji, Japan, is during the summer months of July and August, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!