Portaria, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Portaria, Thessaly, Greece, is known for its proximity to Mount Pelion and the traditional architecture of its stone-built mansions. The best time to travel to Portaria, Greece, is from May to September, with average air temperatures ranging from 20°C to 30°C (68°F to 86°F) and water temperatures around 22°C to 25°C (72°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!