January in Nakhon Phanom is the sunniest and the coldest month of the year. In January, the weather in Nakhon Phanom is typically warm. Average daily high temperature in January is about 25 degrees above zero. On average, Nakhon Phanom has 18 partly cloudy, 12 sunny, and 1 cloudy day in January. January as well as December is considered the most comfortable time to visit Nakhon Phanom.