Fort De France, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Fort De France is known for its vibrant culture, beautiful beaches, and as a gateway to exploring the natural beauty of Martinique. The best time to travel to Fort-de-France, France, is from December to April, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 79-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!