January in Belford Roxo is the rainiest month of the year. In January, the weather in Belford Roxo is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Belford Roxo has 24 rainy, 6 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as March, November, and December is considered the most uncomfortable time to visit Belford Roxo.