Dien Hoa, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dien Hoa, Thua Thien Hue, Vietnam, is known for its traditional craft villages and cultural heritage. The best time to travel to Dien Hoa, Vietnam, is from December to April, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 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!