November in Porto Alegre is the windiest month of the year. In November, the weather in Porto Alegre is typically warm. Average daily high temperature in November is about 25 degrees above zero. On average, Porto Alegre has 15 sunny, 10 partly cloudy, and 5 rainy days in November. The rains are usually moderate. November as well as April and May is considered the most comfortable time to visit Porto Alegre.