Southhampton, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Southampton, England, United Kingdom, is known for the SeaCity Museum, the historic Titanic connection, and the Southampton Boat Show. The best time to travel to Southampton, United Kingdom, is from June to August, with average air temperatures around 20°C (68°F) and water temperatures near 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!