Mortia, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mortia, Thessaly, Greece, is known for its proximity to the Meteora monasteries, a UNESCO World Heritage Site. The best time to travel to Mortia, Greece, is from late May to early October, with average air temperatures ranging from 75-85°F (24-29°C) and water temperatures around 72-78°F (22-26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!