The official cold season start on 20th of November and this month is the rainiest month during the whole year. Average day temperatures vastly vary and change from 17°C to 23°C. Fog is possible to appear as well as northern winds with an estimated speed of 15mph. The rainfalls are approximately 70mm for over the course of 8 days. The daylight is over 10 hours with 7 sunshine hours.
If you are a Jazz lover, it is recommended to visit the Jazz festival that will be taking place during the whole month, lively atmosphere and fantastic concerts. The disadvantages of visiting Barcelona in November are the drop of temperatures, inability to enjoy the beach and the rain. It is recommended if you plan spending some time at the beach do not visit Barcelona; otherwise, you can still explore the city and the attractions just bring some warmer clothes and an umbrella.