May in Laugarvatn is the sunniest month of the year. In May, the weather in Laugarvatn is typically cold. Average daily high temperature in May is about 6 degrees above zero. On average, Laugarvatn has 18 rainy, 6 cloudy, 5 sunny, and 2 partly cloudy days in May. The rains are usually moderate. May as well as April, June, July, and August is considered the most uncomfortable time to visit Laugarvatn.