Santo Tome, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Santo Tome is known for its proximity to the Parana River and the historic Puente Carretero. The best time to travel to Santo Tome, 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!