In January, the weather in Campos dos Goytacazes is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Campos dos Goytacazes has 18 rainy, 8 sunny, 3 cloudy, and 2 partly cloudy days in January. The rains are usually heavy. January as well as March, November, and December is considered the most uncomfortable time to visit Campos dos Goytacazes.