Balneario Buenos Aires, Uruguay offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Balneario Buenos Aires is known for its beautiful beaches and proximity to the popular resort town of Punta del Este. The best time to travel to Balneario Buenos Aires, Uruguay, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!