Hagi, Japan offers 10 beaches perfect for sunbathing, surfing, swimming, and more. Hagi is known for its well-preserved samurai district, Hagi Castle, and Hagi-yaki pottery. The best time to travel to Hagi, Japan, is in late spring (May), 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!