Slivnica, Macedonia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Slivnica, Pelogonia, Macedonia, is known for its proximity to the Pelister National Park and the Baba Mountain. The best time to travel to Slivnica, Macedonia, is during late spring to early autumn (May to September) when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the nearby Lake Prespa's water temperature is around 20°C to 25°C (68°F to 77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!