In October, the weather in Barra Mansa is typically warm. Average daily high temperature in October is about 25 degrees above zero. On average, Barra Mansa has 20 rainy, 6 sunny, 3 cloudy, and 2 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and November is considered the most uncomfortable time to visit Barra Mansa.