July in Barra do Garcas is the sunniest month of the year. In July, the weather in Barra do Garcas is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Barra do Garcas has 30 sunny and 1 partly cloudy day in July. July as well as May and June is considered the most comfortable time to visit Barra do Garcas.