Kujukuri, Japan offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Kujukuri is known for Kujukuri Beach, one of Japan's longest sandy beaches, popular for surfing and beach activities. The best time to travel to Kujukuri, Japan, is from late spring to early summer (May to June), when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!