Auchencairn, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Auchencairn is known for its proximity to the Solway Coast, the Galloway Hills, and the historic Threave Castle. The best time to travel to Auchencairn, 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!