Paralia Kato Achaias, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Paralia Kato Achaias is known for its proximity to the beautiful beaches of the Gulf of Patras and the nearby archaeological site of Dymaean Wall. The best time to travel to Paralia Kato Achaias, 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!