Copper Bank, Belize offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Copper Bank, Corozal, Belize, is known for the nearby ancient Maya site of Cerros. The best time to travel to Copper Bank, Belize, is between December and April, with average air temperatures around 75-85°F (24-29°C) and water temperatures approximately 79-82°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!