Marseillan, France offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Marseillan is known for its proximity to the Canal du Midi and the Noilly Prat vermouth cellars. The best time to visit Marseillan, France, is from May to September, with average air temperatures ranging from 20°C to 28°C and water temperatures from 18°C to 24°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!