Vinh Linh, Vietnam offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Vinh Linh, Quang Tri, Vietnam, is known for the Vinh Moc Tunnels, a historical site from the Vietnam War. The best time to travel to Vinh Linh, Vietnam, is from February to April, with average air temperatures around 24-28°C (75-82°F) and water temperatures approximately 25-27°C (77-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!