January in Tawau is the rainiest, the windiest, and the cloudiest month of the year. In January, the weather in Tawau is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Tawau has 30 rainy and 1 sunny day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Tawau.