August in Itaborai is the sunniest month of the year. In August, the weather in Itaborai is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Itaborai has 16 sunny, 8 rainy, 6 partly cloudy, and 1 cloudy day in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Itaborai.