2026-07-13 · 8 min read · NostosRoute Editorial Team
April to October is the clearest Andes window for Cusco, Machu Picchu and mountain routes, while Lima's coast feels different from the highlands.
April through October is the best Peru window for Cusco, Machu Picchu and the Andes because it aligns with the drier highland season. Choose April, May, September or October for a better balance of weather and crowds.
The full guide — itineraries, costs, maps, and booking help — loads with the interactive app.