Sam Son, Vietnam offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Sam Son is known for its beautiful Sam Son Beach and the historic Truong Le Mountain in Thanh Hoa, Vietnam. The best time to travel to Sam Son, Vietnam, is from April to June, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!