Vientiane, Laos offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Vientiane is known for its serene Buddhist temples and the iconic Patuxai monument. The best time to travel to Vientiane, Laos, is from November to February, when the average air temperature is around 24-28°C (75-82°F) and the Mekong River water temperature is approximately 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!