May in Dijon is the rainiest month of the year. In May, the weather in Dijon is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Dijon has 19 rainy, 8 sunny, 3 partly cloudy, and 1 cloudy day in May. The rains are usually heavy. May as well as January, February, April, and November is considered the most uncomfortable time to visit Dijon.