Sozopolis, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sozopolis, Central Macedonia, Greece, is known for its proximity to the archaeological site of Ancient Olynthos. The best time to travel to Sozopolis, Greece, is from late May to early October, with average air temperatures around 75°F (24°C) and water temperatures around 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!