In August, the weather in Qaqortoq is typically warm. Average daily high temperature in August is about 10 degrees above zero. On average, Qaqortoq has 12 sunny, 9 rainy, 9 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as April, May, June, and July is considered the most uncomfortable time to visit Qaqortoq.