August in Itaborai is the windiest and the sunniest month of the year. In August, the weather in Itaborai is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Itaborai has 27 sunny, 2 rainy, and 2 partly cloudy days in August. The rains are usually light. August as well as May, June, and July is considered the most comfortable time to visit Itaborai.