April in Rovno is the rainiest month of the year. In April, the weather in Rovno is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Rovno has 13 rainy, 8 cloudy, 5 sunny, and 4 partly 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 Rovno.