August in Itaquaquecetuba is the sunniest month of the year. In August, the weather in Itaquaquecetuba is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Itaquaquecetuba has 14 sunny, 9 partly cloudy, 5 rainy, and 3 cloudy days in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Itaquaquecetuba.