Lionas, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lionas is known for its picturesque beach and the traditional village atmosphere in the South Aegean, Greece. The best time to travel to Lionas, Greece, is from May to September, with average air temperatures ranging from 75°F to 85°F and water temperatures around 72°F to 78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!