Kounoupi, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kounoupi is known for its pristine beaches and crystal-clear waters in the South Aegean, Greece. The best time to travel to Kounoupi, Greece, is from June to September, with average air temperatures around 77°F (25°C) and water temperatures near 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!