Pieria, Greece offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Pieria is known for Mount Olympus, the ancient city of Dion, and the beaches of the Thermaic Gulf. The best time to travel to Pieria, Greece, is from late May to early October, with average air temperatures ranging from 70°F to 85°F and water temperatures from 72°F to 78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!