Roches Noires, Mauritius offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Roches Noires is known for its beautiful beaches and the Roches Noires Caves. The best time to travel to Roches Noires, Mauritius, is from May to December, with average air temperatures around 24-28°C (75-82°F) and water temperatures around 23-27°C (73-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!