August in Sorocaba is the sunniest month of the year. In August, the weather in Sorocaba is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Sorocaba has 23 sunny, 6 partly cloudy, and 2 rainy days in August. The rains are usually light. August as well as June and July is considered the most comfortable time to visit Sorocaba.