Although Vinicunca is a stunning destination all year round, the best time to visit is between May and October, during the dry season. In these months, you will be less likely to encounter rain, and clear skies will allow you to enjoy the vibrant colors of the mountain in all its splendor.
The rainy season, which runs from November to April, can make the hike more complicated due to the presence of mud on the trails, and fog could make visibility of the mountain difficult. If you decide to travel during this time, make sure you are prepared for more adverse conditions.