May in Ballyvaughan is the sunniest month of the year. In May, the weather in Ballyvaughan is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Ballyvaughan has 22 rainy, 6 sunny, 2 partly cloudy, and 1 cloudy day in May. The rains are usually moderate. May as well as January, February, March, and April is considered the most uncomfortable time to visit Ballyvaughan.