February in Bilbao is the windiest, the cloudiest, and the coldest month of the year. In February, the weather in Bilbao is typically warm. Average daily high temperature in February is about 10 degrees above zero. On average, Bilbao has 14 rainy, 7 partly cloudy, 6 sunny, and 2 cloudy days in February. The rains are usually heavy. February as well as January, March, April, and November is considered the most uncomfortable time to visit Bilbao.