In April, the weather in Klasterec nad Ohri is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Klasterec nad Ohri has 16 rainy, 6 sunny, 5 partly cloudy, and 3 cloudy days in April. The rains are usually moderate. April as well as February, March, May, and October is considered the most uncomfortable time to visit Klasterec nad Ohri.