Nagos, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nagos, South Aegean, Greece, is known for its picturesque beaches and the nearby Mastic Villages. The best time to travel to Naxos, Greece, is from late May to early October, with average air temperatures ranging from 75°F to 85°F and water temperatures from 70°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!