Keramia, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Keramia, North Aegean, Greece, is known for its proximity to the ancient city of Mytilene and the scenic beauty of the Aegean Sea. The best time to travel to Keramia, Greece, is from May to September, with average air temperatures ranging from 75°F to 85°F and water temperatures around 73°F to 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!