June in Putussibau is the sunniest month of the year. In June, the weather in Putussibau is typically hot. Average daily high temperature in June is about 31 degrees above zero. On average, Putussibau has 16 rainy, 6 partly cloudy, 5 sunny, and 3 cloudy days in June. The rains are usually heavy. June as well as January, February, March, and April is considered the most uncomfortable time to visit Putussibau.