January in Kaohsiung is the coldest month of the year. In January, the weather in Kaohsiung is typically warm. Average daily high temperature in January is about 23 degrees above zero. On average, Kaohsiung has 17 partly cloudy, 10 sunny, 3 cloudy, and 1 rainy day in January. The rains are usually light. January as well as February, March, and December is considered the most comfortable time to visit Kaohsiung.