July in Ubatuba is the coldest month of the year. In July, the weather in Ubatuba is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Ubatuba has 15 sunny, 11 partly cloudy, and 5 rainy days in July. The rains are usually moderate. July as well as June and August is considered the most comfortable time to visit Ubatuba.