January in Samarinda is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Samarinda is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Samarinda 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 Samarinda.