In April, the weather in Port-Stenli is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Port-Stenli has 15 cloudy, 10 rainy, 3 sunny, and 2 partly cloudy days in April. The rains are usually moderate. April as well as February, May, June, and July is considered the most uncomfortable time to visit Port-Stenli.