The best time to go to Chupa is during the dry season, which runs from May to October.
During these months, you'll experience clear skies and plenty of sunshine, making it ideal for exploring the region. The days are generally mild, though evenings can be cool, especially at higher altitudes. This period is superb for outdoor activities like hiking and visiting the various archaeological sites without the interruption of heavy rainfall.
While the dry season is the most popular time to visit, the shoulder months of April and November can also be pleasant.