July in Akranes is the warmest month of the year. In July, the weather in Akranes is typically warm. Average daily high temperature in July is about 12 degrees above zero. On average, Akranes has 15 rainy, 8 partly cloudy, 4 sunny, and 4 cloudy 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 Akranes.