Santiago, Peru offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Santiago, Ica, Peru, is known for the Huacachina Oasis and the Nazca Lines. The best time to travel to Santiago, Peru, is from December to March, with average air temperatures around 25°C (77°F) and water temperatures near 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!