In May, the weather in Carrickfinn is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Carrickfinn has 15 rainy, 7 partly cloudy, 5 cloudy, and 4 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 Carrickfinn.