Peroj, Croatia offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Peroj is known for its proximity to the Brijuni National Park and its historical ties to the Montenegrin community. The best time to travel to Peroj, Croatia, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures about 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!