In May, the weather in Putussibau is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Putussibau has 23 rainy, 4 cloudy, 3 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Putussibau.