San Luis La Herradura, El Salvador offers 3 beaches perfect for sunbathing, surfing, swimming, and more. San Luis La Herradura is known for Costa del Sol, a popular beach destination in El Salvador. The best time to travel to San Luis La Herradura, 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!