January in Andorra la Vella is the snowiest, the sunniest, and the coldest month of the year. In January, the weather in Andorra la Vella is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Andorra la Vella has 9 sunny, 8 partly cloudy, 6 cloudy, 5 snowy, and 3 rainy days in January. The snowfalls are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Andorra la Vella.