November in Llangefni is the cloudiest month of the year. In November, the weather in Llangefni is typically warm. Average daily high temperature in November is about 9 degrees above zero. On average, Llangefni has 27 rainy, 2 sunny, and 1 cloudy day in November. The rains are usually heavy. November as well as January, February, March, and May is considered the most uncomfortable time to visit Llangefni.