Federacion, Argentina offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Federacion is known for its Termas de Federacion, a popular thermal spa resort. The best time to travel to Federacion, Argentina, is from November to March, with average air temperatures around 75°F (24°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!