Tacna, Peru offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tacna, Tacna is known for its historic Arco Parabolico, vibrant Mercado Central, and the annual Semana de Tacna festival. The best time to travel to Tacna, Peru, is from April to November, with average air temperatures around 18-22°C (64-72°F) and water temperatures near 16-18°C (61-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!