Xylokastro, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Xylokastro is known for its beautiful Pefkias Forest and the stunning beaches along the Corinthian Gulf. The best time to travel to Xylokastro, Greece, is from May to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!