July in Balneário Camboriú is the coldest month of the year. In July, the weather in Balneário Camboriú is typically warm. Average daily high temperature in July is about 19 degrees above zero. On average, Balneário Camboriú has 10 sunny, 9 rainy, 7 partly cloudy, and 5 cloudy days in July. The rains are usually heavy.