Armenistis, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Armenistis is known for its beautiful beaches like Nas Beach and the nearby ancient site of the Temple of Artemis. The best time to travel to Armenistis, Greece, is from June 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!