Old Town, United Kingdom offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Old Town, England, United Kingdom, is known for the historic Swindon Railway Works and the STEAM Museum of the Great Western Railway. The best time to visit Old Town, United Kingdom, is during late spring to early summer (May to June) when the average air temperature is around 15-20°C (59-68°F) and water temperature is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!