The best time to go to Ayaviri is during the dry season, which runs from May to October.
During these months, you'll experience clearer skies and less rainfall, making it ideal for exploring the natural beauty around Ayaviri and visiting local sites. The daytime temperatures are generally pleasant, though mornings and evenings can be cool, especially at this altitude. This period is great for those looking to comfortably engage in outdoor activities or visit the nearby archaeological sites without the disruption of heavy rains.
For those keen on experiencing local culture, planning your trip to coincide with a festival can be rewarding. The Feast of the Immaculate Conception in early December, for example, is a significant event, but it falls just outside the driest period. If you're willing to brave the occasional shower, the cultural richness can be a worthwhile trade-off.