Siho Playa, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Siho Playa, Campeche, Mexico, is known for its proximity to the ancient Mayan city of Edzna and the Calakmul Biosphere Reserve. The best time to travel to Siho Playa, Mexico, is from November to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures about 78-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!