August in Martapura is the sunniest month of the year. In August, the weather in Martapura is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Martapura has 21 rainy, 8 sunny, and 2 partly cloudy days in August. The rains are usually moderate. August as well as January, February, March, and April is considered the most uncomfortable time to visit Martapura.