Barzan, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Barzan is known for the Gallo-Roman archaeological site of Fâ, which includes ancient ruins and a museum. The best time to travel to Barzan, France, is during late spring to early autumn (May to September) when the average air temperature ranges from 60°F to 75°F and the water temperature is around 60°F to 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!