November in Terceira Island is the rainiest month of the year. In November, the weather in Terceira Island is typically warm. Average daily high temperature in November is about 18 degrees above zero. On average, Terceira Island has 16 rainy, 8 cloudy, 4 sunny, and 2 partly cloudy days in November. The rains are usually moderate. November as well as January, February, April, and December is considered the most uncomfortable time to visit Terceira Island.