In May, the weather in Kudjak Island is typically cold. Average daily high temperature in May is about 9 degrees above zero. On average, Kudjak Island has 17 rainy, 6 cloudy, 4 sunny, and 4 partly cloudy days in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Kudjak Island.