July in Tatuí is the sunniest month of the year. In July, the weather in Tatuí is typically warm. Average daily high temperature in July is about 24 degrees above zero. On average, Tatuí has 16 sunny, 8 partly cloudy, 4 rainy, and 3 cloudy days in July. The rains are usually moderate. July as well as June is considered the most comfortable time to visit Tatuí.