February in Pematangsiantar is the windiest month of the year. In February, the weather in Pematangsiantar is typically warm. Average daily high temperature in February is about 27 degrees above zero. On average, Pematangsiantar has 29 rainy days in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Pematangsiantar.