In May, the weather in Nuuk is typically cold. Average daily high temperature in May is about 3 degrees above zero. On average, Nuuk has 13 cloudy, 10 partly cloudy, 4 sunny, 3 rainy, and 1 snowy day in May. The rains are usually light. May as well as January, February, June, and July is considered the most uncomfortable time to visit Nuuk.