Bossiney, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bossiney, England, United Kingdom, is known for its proximity to the historic Tintagel Castle and the scenic South West Coast Path. The best time to travel to Bossiney, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 15-17°C (59-63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!