El Sombreron, Mexico offers 3 beaches perfect for sunbathing, surfing, swimming, and more. El Sombreron, Campeche, Mexico, is known for its proximity to the ancient Mayan ruins of Edzna. The best time to travel to El Sombreron, Mexico, is between November and April, with average air temperatures around 75°F (24°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!