Trunk Island, Bermuda offers 1 beach perfect for sunbathing, surfing, swimming, and more. O Outeiro is known for its proximity to the historic city of Santiago de Compostela and the Camino de Santiago pilgrimage route. The best time to travel to Trunk Island, Bermuda, is from April to October, when the average air temperature is around 75-85°F (24-29°C) and the water temperature is approximately 75-82°F (24-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!