Canton Playita, El Salvador offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Canton Playita, La Union, El Salvador, is known for its proximity to the Gulf of Fonseca and its beautiful beaches. The best time to travel to Canton Playita, 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!