Southampton, Bermuda offers 43 beaches perfect for sunbathing, surfing, swimming, and more. Southampton, Southampton is known for the Titanic's departure, the SeaCity Museum, and the Southampton Boat Show. The best time to travel to Southampton, Bermuda, is from March to May, when the average air temperature is around 70°F (21°C) and the water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!