Aberdaron, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Aberdaron is known for its proximity to Bardsey Island, a site of pilgrimage and natural beauty. The best time to travel to Aberdaron, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and sea 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!