In April, the weather in Rovaniemi is typically cold. Average daily high temperature in April is about 4 degrees above zero. On average, Rovaniemi has 11 partly cloudy, 9 cloudy, 6 sunny, 3 rainy, and 1 snowy day in April. The rains are usually light. April as well as January, February, May, and June is considered the most uncomfortable time to visit Rovaniemi.