The winter in Peru (May – September) is the driest season and therefore the best time of year to travel, especially if you are planning to visit the Cusco area or trek the Inca Trail to Machu Picchu. The summer (December – March) is the wettest season, with frequent heavy showers.
The best time to climb Rainbow Mountain is during the dry months between May and September. The shoulder months of April and October are also pleasant.
Our winter Peru trips sell out fast: Take me there