Paleokastro, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Paleokastro, Central Greece, Greece, is known for its proximity to the historical site of Delphi. The best time to travel to Paleokastro, Greece, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 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!