Jard sur Mer, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Jard sur Mer is known for its beautiful beaches and charming marina. The best time to travel to Jard sur Mer, 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 18-21°C (64-70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!