Gadji, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Gadji, Province Sud, France, is known for its proximity to the stunning natural beauty of the Blue River Provincial Park. The best time to travel to Gadji, France, is from May to September, with average air temperatures ranging from 70°F to 80°F and water temperatures around 75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!