Nisaki, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nisaki is known for its picturesque beaches and proximity to the famous Mount Pantokrator in the Ionian Islands, Greece. The best time to travel to Nisaki, Greece, is from May to September, when the average air temperature is around 77°F (25°C) and the water temperature is approximately 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!