Cairnbulg, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cairnbulg is known for Cairnbulg Castle and its scenic coastal views. The best time to travel to Cairnbulg, United Kingdom, is from June to August, when the average air temperature is around 15-18°C (59-64°F) and the average water temperature is about 12-14°C (54-57°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!