Artemisio, Greece offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Artemisio is known for the historic Battle of Artemisium during the Greco-Persian Wars. The best time to travel to Artemisio, Greece, is from late May to early October, 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!