Saint Gilles, France offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Saint Gilles, Saint Paul, France, is known for its UNESCO-listed Abbey of Saint-Gilles and the scenic Canal du Rhone a Sete. The best time to travel to Saint Gilles, France, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures around 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!