Châtelaillon-Plage, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Chatelaillon-Plage is known for its beautiful sandy beaches and the annual Kite and Wind Festival. The best time to travel to Chatelaillon-Plage, France, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 19-22°C (66-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!