November in Bilbao is the rainiest month of the year. In November, the weather in Bilbao is typically warm. Average daily high temperature in November is about 13 degrees above zero. On average, Bilbao has 19 rainy, 6 sunny, and 5 cloudy days in November. The rains are usually heavy. November as well as January, February, March, and April is considered the most uncomfortable time to visit Bilbao.