Altamira, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Altamira is known for its proximity to the Laguna de Champayan and the Altamira Industrial Port. The best time to travel to Altamira, Mexico, is from November to April, with average air temperatures around 75°F (24°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!