December weather forecast in Llandudno

December in Llandudno is the windiest month of the year. In December, the weather in Llandudno is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Llandudno has 27 rainy, 2 sunny, and 2 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Llandudno.