Klek, Croatia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Klek is known for its proximity to the historic city of Dubrovnik and the picturesque Peljesac Peninsula. The best time to travel to Klek, Croatia, is from June to September, when the average air temperature is around 25°C (77°F) and the sea temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!