Dumfries, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dumfries is known for its connection to the poet Robert Burns and the historic site of Caerlaverock Castle. The best time to travel to Dumfries, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 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!