Saint Ann's Bay, Jamaica offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Saint Ann's Bay is known for the Columbus Park open-air museum and its proximity to the famous Dunn's River Falls. The best time to travel to Saint Ann's Bay, Jamaica, is from December to April, with average air temperatures around 77-86°F (25-30°C) and water temperatures around 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!