Tuy Phong 4, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Phu Yen, Vietnam, is known for its stunning natural landscapes such as Ganh Da Dia and Bai Xep Beach. The best time to travel to Tuy Phong 4, Vietnam, is from December to April, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 26-28°C (79-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!