Col Uarach, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dong Hai, Tra Vinh, Vietnam, is known for the Ba Dong Beach and the Khmer cultural heritage. The best time to travel to Col Uarach, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 12-15°C (54-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!