Phu Thuong, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Phu Thuong, Phu Yen, Vietnam, is known for its proximity to the scenic Ganh Da Dia, a unique geological formation of hexagonal basalt columns. The best time to travel to Phu Thuong, Vietnam, is from November to April, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 24-28°C (75-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!