August in Jandira is the sunniest month of the year. In August, the weather in Jandira is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Jandira has 14 sunny, 8 partly cloudy, 5 rainy, and 4 cloudy days in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Jandira.