Nea Propontida, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nea Propontida is known for its beautiful beaches and the archaeological site of Ancient Olynthos. The best time to travel to Nea Propontida, Greece, is from June to September, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 24-27°C (75-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!