July in Arraial do Cabo is the sunniest month of the year. In July, the weather in Arraial do Cabo is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Arraial do Cabo has 24 sunny, 4 rainy, and 3 partly cloudy days in July. The rains are usually light. July as well as June and August is considered the most comfortable time to visit Arraial do Cabo.