December in Seminyak is the rainiest and the cloudiest month of the year. In December, the weather in Seminyak is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Seminyak has 30 rainy and 1 sunny day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Seminyak.