In March, the weather in Canillo is typically cold. Average daily high temperature in March is about 3 degrees above zero. On average, Canillo has 15 rainy, 6 cloudy, 5 sunny, 3 partly cloudy, and 2 snowy days in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Canillo.