March in Cauterets is the windiest and the sunniest month of the year. In March, the weather in Cauterets is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Cauterets has 12 rainy, 9 sunny, 5 partly cloudy, 4 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Cauterets.