January in Hualian is the coldest month of the year. In January, the weather in Hualian is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Hualian has 20 rainy, 9 cloudy, and 2 sunny 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 Hualian.