August in Nykøbing Mors is the warmest month of the year. In August, the weather in Nykøbing Mors is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Nykøbing Mors has 14 rainy, 7 sunny, 7 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.