May in Lochinver is the sunniest month of the year. In May, the weather in Lochinver is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Lochinver has 19 rainy, 6 partly cloudy, 4 sunny, and 2 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 Lochinver.