In July, the weather in Angra do Heroismo is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Angra do Heroismo has 15 partly cloudy, 11 sunny, 4 cloudy, and 1 rainy day in July. The rains are usually light. July as well as August is considered the most comfortable time to visit Angra do Heroismo.