August in Ketapang is the windiest month of the year. In August, the weather in Ketapang is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Ketapang has 19 rainy, 5 partly cloudy, 4 sunny, and 3 cloudy days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Ketapang.