May in Vervins is the rainiest and the cloudiest month of the year. In May, the weather in Vervins is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Vervins has 15 rainy, 10 partly cloudy, 4 cloudy, and 2 sunny days in May. The rains are usually moderate. May as well as January, February, March, and April is considered the most uncomfortable time to visit Vervins.