May in Dunfermline is the sunniest month of the year. In May, the weather in Dunfermline is typically warm. Average daily high temperature in May is about 12 degrees above zero. On average, Dunfermline has 15 rainy, 6 sunny, 5 cloudy, and 5 partly cloudy days in May. The rains are usually moderate. May as well as January, February, April, and June is considered the most uncomfortable time to visit Dunfermline.