July in Stryn is the rainiest and the warmest month of the year. In July, the weather in Stryn is typically warm. Average daily high temperature in July is about 13 degrees above zero. On average, Stryn has 27 rainy, 3 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Stryn.