January in Sao Goncalo is the cloudiest month of the year. In January, the weather in Sao Goncalo is typically hot. Average daily high temperature in January is about 31 degrees above zero. On average, Sao Goncalo has 21 rainy, 4 cloudy, 3 sunny, and 3 partly cloudy days in January. The rains are usually heavy. January as well as February, March, November, and December is considered the most uncomfortable time to visit Sao Goncalo.