Playas Doradas, Argentina offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Playas Doradas, Rio Negro, Argentina, is known for its stunning golden beaches along the Atlantic coast. The best time to travel to Playas Doradas, Argentina, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!