Kotor, Montenegro offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Kotor is known for its well-preserved medieval architecture and the UNESCO World Heritage Site of Kotor Old Town. The best time to visit Kotor, Montenegro, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!