Sousse, Tunisia offers 10 beaches perfect for sunbathing, surfing, swimming, and more. Sousse is known for the Medina of Sousse, a UNESCO World Heritage Site. The best time to travel to Sousse, Tunisia, is from May to October, with average air temperatures ranging from 20°C to 30°C (68°F to 86°F) and water temperatures from 20°C to 26°C (68°F to 79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!