In April, the weather in Jyväskylä is typically cold. Average daily high temperature in April is about 5 degrees above zero. On average, Jyväskylä has 13 rainy, 10 cloudy, 4 sunny, and 3 partly cloudy days in April. The rains are usually light. April as well as October and November is considered the most uncomfortable time to visit Jyväskylä.