In April, the weather in Kristiansund is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Kristiansund has 17 rainy, 7 sunny, 4 partly cloudy, and 2 cloudy days in April. The rains are usually heavy. April as well as January, February, March, and June is considered the most uncomfortable time to visit Kristiansund.