In May, the weather in Egilsstaðir is typically cold. Average daily high temperature in May is about 4 degrees above zero. On average, Egilsstaðir has 24 rainy, 4 cloudy, 2 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Egilsstaðir.