July in Nanortalik is the warmest month of the year. In July, the weather in Nanortalik is typically warm. Average daily high temperature in July is about 10 degrees above zero. On average, Nanortalik has 12 cloudy, 11 rainy, 6 partly cloudy, and 2 sunny days in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit Nanortalik.