July in Campos dos Goytacazes is the coldest month of the year. In July, the weather in Campos dos Goytacazes is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Campos dos Goytacazes has 18 sunny, 7 partly cloudy, 5 rainy, and 1 cloudy day in July. The rains are usually light. July as well as May, June, August, and September is considered the most comfortable time to visit Campos dos Goytacazes.