Agropoli, Italy offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Agropoli is known for its historic Aragonese Castle and the nearby Cilento and Vallo di Diano National Park. The best time to travel to Agropoli, Italy, 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!