May in Argeles-Gazost is the rainiest month of the year. In May, the weather in Argeles-Gazost is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Argeles-Gazost has 23 rainy, 6 sunny, 1 cloudy, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Argeles-Gazost.