Thanh Pho Tam Ky, Vietnam offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Thanh Pho Tam Ky is known for the Ky Anh Tunnels and the Tam Thanh Mural Village. The best time to travel to Thanh Pho Tam Ky, Vietnam, is from February to April, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!