In April, the weather in Laugarvatn is typically cold. Average daily high temperature in April is about 2 degrees above zero. On average, Laugarvatn has 19 rainy, 4 sunny, 3 snowy, 3 cloudy, and 1 partly cloudy day in April. The rains are usually heavy. April as well as May, June, July, and August is considered the most uncomfortable time to visit Laugarvatn.