Hirado, Japan offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Hirado is known for Hirado Castle, the Dutch Trading Post, and the Hirado Bridge. The best time to travel to Hirado, Japan, is from late March to early May when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 16-18°C (61-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!