Viuda de Sudeira, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Viuda de Sudeira is known for its proximity to the stunning Los Alerces National Park. The best time to travel to Viuda de Sudeira, Argentina, is during the summer months of December to February, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!