Southwold, United Kingdom offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Southwold is known for its iconic Southwold Pier, Adnams Brewery, and the historic Southwold Lighthouse. The best time to travel to Southwold, United Kingdom, is from June to August, when the average air temperature is around 18°C (64°F) and the average water temperature is about 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!