Hornitos, Chile offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Hornitos, Antofagasta, Chile, is known for its beautiful beaches and the nearby Atacama Desert. The best time to travel to Hornitos, Chile, is from December to February, with average air temperatures around 70°F (21°C) and water temperatures near 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!