Platia Ammos, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Platia Ammos, Attica, Greece, is known for its proximity to the Temple of Poseidon at Cape Sounion. The best time to visit Platia Ammos, Greece, is from June to September, when the average air temperature is around 80°F (27°C) and the water temperature is approximately 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!