Metallo, El Salvador offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Metallo, Sonsonate, El Salvador, is known for its proximity to the Ruta de las Flores, a scenic route famous for its vibrant flower fields and charming colonial towns. The best time to travel to Metallo, El Salvador, is from November to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!