November in Alnwick is the rainiest month of the year. In November, the weather in Alnwick is typically cold. Average daily high temperature in November is about 9 degrees above zero. On average, Alnwick has 19 rainy, 5 cloudy, 4 sunny, and 2 partly cloudy days in November. The rains are usually moderate. November as well as January, February, June, and August is considered the most uncomfortable time to visit Alnwick.