January in Taipei is the rainiest and the coldest month of the year. In January, the weather in Taipei is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Taipei has 25 rainy, 4 sunny, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, October, and November is considered the most uncomfortable time to visit Taipei.