Pornichet, France offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Pornichet is known for its beautiful beaches, the Casino de Pornichet, and the Hippodrome de Pornichet. The best time to travel to Pornichet, France, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!