In August, the weather in Sauðárkrókur is typically warm. Average daily high temperature in August is about 10 degrees above zero. On average, Sauðárkrókur has 18 rainy, 10 cloudy, 2 sunny, and 1 partly cloudy day in August. The rains are usually moderate. August as well as April, May, June, and July is considered the most uncomfortable time to visit Sauðárkrókur.