Cotonou, Benin offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Cotonou is known for the Dantokpa Market, the largest open-air market in West Africa. The best time to travel to Cotonou, Benin, is from November to February, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!