Municipal Unit Of Kythira, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Municipal Unit Of Kythira, Attica, Greece, is known for its stunning beaches, Venetian architecture, and rich mythological history. The best time to travel to the Municipal Unit of Kythira, Greece, is from May to September, with average air temperatures ranging from 22°C to 30°C and water temperatures from 20°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!