Berwick upon Tweed, United Kingdom offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Berwick upon Tweed is known for its Elizabethan town walls and the historic Berwick Castle. The best time to visit Berwick upon Tweed is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 12-15°C (54-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!