July in Laugarvatn is the warmest month of the year. In July, the weather in Laugarvatn is typically warm. Average daily high temperature in July is about 13 degrees above zero. On average, Laugarvatn has 18 rainy, 6 partly cloudy, 4 cloudy, and 3 sunny days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Laugarvatn.