Ciudad Vieja, Uruguay offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ciudad Vieja, Montevideo, Uruguay, is known for its historic landmarks such as the Solis Theatre and the Mercado del Puerto. The best time to visit Ciudad Vieja, Uruguay, is from November to March, 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!