October in Sibolga is the windiest and the coldest month of the year. In October, the weather in Sibolga is typically warm. Average daily high temperature in October is about 27 degrees above zero. On average, Sibolga has 26 rainy, 3 cloudy, 1 sunny, and 1 partly cloudy day in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Sibolga.