Belyaka, Turkey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kastamonu, Turkey, is known for its historical Kastamonu Castle and the beautiful Ilgaz Mountain National Park. The best time to travel to Belyaka, Turkey, is from June to September, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 24-28°C (75-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!