January in Annecy is the coldest month of the year. In January, the weather in Annecy is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Annecy has 11 rainy, 10 partly cloudy, 9 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, May, and November is considered the most uncomfortable time to visit Annecy.