January in Tagum is the rainiest and the coldest month of the year. In January, the weather in Tagum is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Tagum has 29 rainy, 1 sunny, and 1 cloudy 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 Tagum.