Koper, Slovenia offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Koper is known for its picturesque Venetian-era architecture and the historic Praetorian Palace. The best time to travel to Koper, 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!
