Ancon, Peru offers 19 beaches perfect for sunbathing, surfing, swimming, and more. Ancon, Lima, Peru, is known for its historic Ancon Beach and the Ancon Archaeological Site. The best time to travel to Ancon, Peru, is from December to March, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!