Thinh Long, Vietnam offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Thinh Long is known for its serene beaches and traditional fishing villages. The best time to travel to Thinh Long, Vietnam, is from March to May, 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!