Bankum Bay, Montserrat offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bankum Bay, Saint Peter Parish, Montserrat, is known for its beautiful black sand beaches and the nearby Montserrat Volcano Observatory. The best time to travel to Bankum Bay, Montserrat, is from December to April, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 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!