January in Siquijor is the windiest month of the year. In January, the weather in Siquijor is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Siquijor has 27 rainy and 4 sunny days in January. The rains are usually heavy. January as well as February, March, May, and June is considered the most uncomfortable time to visit Siquijor.