April in Trosna is the rainiest month of the year. In April, the weather in Trosna is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Trosna has 11 rainy, 7 partly cloudy, 6 sunny, and 6 cloudy days in April. The rains are usually light. April as well as March, October, and November is considered the most uncomfortable time to visit Trosna.