In May, the weather in São Gonçalo do Amarante is typically hot. Average daily high temperature in May is about 29 degrees above zero. On average, São Gonçalo do Amarante has 20 rainy, 8 sunny, and 3 partly cloudy days in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit São Gonçalo do Amarante.