In August, the weather in Campos dos Goytacazes is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Campos dos Goytacazes has 14 sunny, 8 partly cloudy, 7 rainy, and 2 cloudy days in August. The rains are usually light. August as well as June and July is considered the most comfortable time to visit Campos dos Goytacazes.