July in Rocha is the coldest month of the year. In July, the weather in Rocha is typically warm. Average daily high temperature in July is about 14 degrees above zero. On average, Rocha has 12 sunny, 12 partly cloudy, 4 rainy, and 3 cloudy days in July. The rains are usually heavy. July as well as August and September is considered the most uncomfortable time to visit Rocha.