August in Huancayo is the windiest month of the year. In August, the weather in Huancayo is typically warm. Average daily high temperature in August is about 11 degrees above zero. On average, Huancayo has 16 rainy, 8 sunny, and 7 partly cloudy days in August. The rains are usually moderate. August as well as January, February, March, and April is considered the most uncomfortable time to visit Huancayo.