Puerto Mexia, Mexico offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Puerto Mexia is known for its stunning beaches and vibrant marine life, particularly the Puerto Mexia Marine Reserve. The best time to travel to Puerto Mexia, 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!