Playa San Blas, El Salvador offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Playa San Blas is known for its beautiful beaches and the popular surf spot Punta Roca. The best time to travel to Playa San Blas, 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!