Perast, Montenegro offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Perast, Kotor, Montenegro, is known for its stunning baroque architecture and the picturesque islets of Our Lady of the Rocks and St. George. The best time to travel to Perast, Montenegro, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!