In January, the weather in Andorra la Vella is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Andorra la Vella has 10 partly cloudy, 9 rainy, 6 sunny, 5 cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Andorra la Vella.