August in Marau Sound is the sunniest and the coldest month of the year. In August, the weather in Marau Sound is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Marau Sound has 23 rainy and 8 sunny 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 Marau Sound.