Amity Hal, Jamaica offers 1 beach perfect for sunbathing, surfing, swimming, and more. Amity Hall, Saint Thomas, Jamaica, is known for its proximity to the historic Morant Bay and the scenic Blue Mountains. The best time to travel to Amity Hall, Jamaica, is from December to April, with average air temperatures around 75-85°F (24-29°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!