Gonzaga Bay, Mexico offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Gonzaga Bay is known for its stunning beaches and the nearby natural attraction of the Sea of Cortez. The best time to travel to Gonzaga Bay, Mexico, is between November and April, with average air temperatures ranging from 70°F to 80°F and water temperatures around 65°F to 75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!