Southerness, United Kingdom offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Southerness is known for the Southerness Lighthouse and its proximity to the Solway Coast in Scotland. The best time to travel to Southerness, United Kingdom, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 14-16°C (57-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!