July in Cabo de Santo Agostinho is the coldest month of the year. In July, the weather in Cabo de Santo Agostinho is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Cabo de Santo Agostinho has 20 rainy, 10 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Cabo de Santo Agostinho.