April in Mound is the windiest month of the year. In April, the weather in Mound is typically warm. Average daily high temperature in April is about 13 degrees above zero. On average, Mound has 10 sunny, 9 rainy, 6 partly cloudy, and 5 cloudy days in April. The rains are usually heavy. April as well as March and November is considered the most uncomfortable time to visit Mound.