July in Sibolga is the windiest month of the year. In July, the weather in Sibolga is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Sibolga has 16 cloudy, 7 partly cloudy, 5 rainy, and 3 sunny days in July. The rains are usually heavy. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Sibolga.