Cap Hmem, Tunisia offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Cap Hmem, Bizerte, Tunisia, is known for its proximity to the Ichkeul National Park, a UNESCO World Heritage Site. The best time to travel to Cap Hmem, Tunisia, is from May to October, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 22°C to 26°C (72°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!