January in Marau Sound is the rainiest and the warmest month of the year. In January, the weather in Marau Sound is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Marau Sound has 28 rainy and 3 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Marau Sound.