Ankaran, Slovenia offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Ankaran, Littoral Region, Slovenia, is known for the Debeli Rtic Nature Park and its coastal wellness resorts. The best time to travel to Ankaran, Slovenia, 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!