San Gregorio de Polanco, Uruguay offers 2 beaches perfect for sunbathing, surfing, swimming, and more. San Gregorio de Polanco is known for its vibrant street art and murals. The best time to travel to San Gregorio de Polanco, Uruguay, is from December to February, with average air temperatures around 28°C (82°F) and water temperatures near 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!