January in Huánuco is the rainiest month of the year. In January, the weather in Huánuco is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Huánuco has 29 rainy, 1 sunny, and 1 cloudy day in January. The rains are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Huánuco.