Xilosirtis, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Xilosirtis is known for its proximity to the famous Icarian village of Therma, renowned for its therapeutic hot springs. The best time to travel to Xilosirtis, Greece, is from May to September, with average air temperatures around 75°F (24°C) and water temperatures around 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!