Manfredonia, Italy offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Manfredonia is known for the Manfredonia Cathedral and the nearby Gargano National Park. The best time to travel to Manfredonia, Italy, is from May to September, when the average air temperature ranges from 70°F to 85°F and the water temperature is around 70°F to 78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!