Lago Puelo, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lago Puelo is known for its stunning national park and beautiful lake beaches. The best time to travel to Lago Puelo, Argentina, is during the summer months of December to February, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!