January in Ollantaytambo is the rainiest and the cloudiest month of the year. In January, the weather in Ollantaytambo is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Ollantaytambo has 31 rainy days in January. The rains are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Ollantaytambo.