Santiago del Estero, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Santiago del Estero is known for the historic Santiago del Estero Cathedral and the Termas de Rio Hondo hot springs. The best time to travel to Santiago del Estero, Argentina, is from April to October, with average air temperatures ranging from 15°C to 25°C and water temperatures around 18°C to 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!