November in Barreiras is the rainiest and the cloudiest month of the year. In November, the weather in Barreiras is typically hot. Average daily high temperature in November is about 29 degrees above zero. On average, Barreiras has 26 rainy, 2 sunny, and 2 cloudy days in November. The rains are usually heavy. November as well as January, February, March, and December is considered the most uncomfortable time to visit Barreiras.