In April, the weather in Szklarska Poreba is typically cold. Average daily high temperature in April is about 10 degrees above zero. On average, Szklarska Poreba has 20 rainy, 5 sunny, 3 partly cloudy, and 2 cloudy days in April. The rains are usually heavy. April as well as March, May, June, and July is considered the most uncomfortable time to visit Szklarska Poreba.