January in Rantepao is the rainiest, the windiest, and the cloudiest month of the year. In January, the weather in Rantepao is typically warm. Average daily high temperature in January is about 21 degrees above zero. On average, Rantepao has 31 rainy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Rantepao.