In April, the weather in Eskilstuna is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Eskilstuna has 11 partly cloudy, 8 rainy, 6 sunny, and 5 cloudy days in April. The rains are usually light. April as well as March, August, October, and November is considered the most uncomfortable time to visit Eskilstuna.