Saint Jean de Luz, France offers 11 beaches perfect for sunbathing, surfing, swimming, and more. Saint Jean de Luz is known for its picturesque Basque architecture, the historic Church of Saint John the Baptist, and its vibrant fishing port. The best time to visit Saint Jean de Luz, France, is from June to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 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!