Fukuoka, Japan offers 10 beaches perfect for sunbathing, surfing, swimming, and more. Fukuoka is known for its historic Fukuoka Castle, the vibrant Hakata Gion Yamakasa festival, and the bustling Canal City Hakata shopping complex. The best time to travel to Fukuoka, Japan, is in April when the average air temperature is around 16°C (61°F) and the average water temperature is about 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!