July in Machu Picchu is the coldest month of the year. In July, the weather in Machu Picchu is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Machu Picchu has 19 rainy, 11 partly cloudy, and 1 sunny day in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Machu Picchu.