Angostura, Peru offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Angostura, Arequipa, Peru, is known for the stunning Colca Canyon and the historic Santa Catalina Monastery. The best time to travel to Angostura, Peru, is from May to September, with average air temperatures around 70°F (21°C) and water temperatures near 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!