December in Largs is the windiest month of the year. In December, the weather in Largs is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Largs has 24 rainy, 4 sunny, 2 partly cloudy, and 1 cloudy day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Largs.