Muang Saen Nua, Laos offers 1 beach perfect for sunbathing, surfing, swimming, and more. Champasak is known for the UNESCO World Heritage Site of Wat Phu, an ancient Khmer temple complex. The best time to travel to Muang Saen Nua, Laos, is from November to February, with average air temperatures around 20-25°C (68-77°F) and water temperatures 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!