Kato Lefkos, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Kato Lefkos, South Aegean, Greece, is known for its beautiful beaches and proximity to the ancient city of Lefkos. The best time to travel to Kato Lefkos, Greece, is from late May to early October, 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!