Zelenika, Montenegro offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Zelenika, Herceg Novi, Montenegro, is known for its proximity to the Bay of Kotor and the historic Savina Monastery. The best time to travel to Zelenika, Montenegro, 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!