October in Gramado is the cloudiest month of the year. In October, the weather in Gramado is typically warm. Average daily high temperature in October is about 20 degrees above zero. On average, Gramado has 17 rainy, 8 sunny, 5 partly cloudy, and 1 cloudy day in October. The rains are usually heavy. October as well as January, February, September, and November is considered the most uncomfortable time to visit Gramado.