January in Kitakyushu is the coldest month of the year. In January, the weather in Kitakyushu is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Kitakyushu has 12 rainy, 9 partly cloudy, 8 sunny, and 2 cloudy days in January. The rains are usually moderate. January as well as February, July, and December is considered the most uncomfortable time to visit Kitakyushu.