Concordia, Argentina offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Concordia is known for the Salto Grande Dam and the Termas de Concordia. The best time to travel to Concordia, Argentina, 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!