Sidi Lakhdar, Algeria offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Sidi Lakhdar is known for its proximity to the beautiful beaches of Mostaganem and the historic Sidi Lakhdar Mosque. The best time to travel to Sidi Lakhdar, Algeria, is from April to June, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!