April in Wisconsin Rapids is the windiest month of the year. In April, the weather in Wisconsin Rapids is typically warm. Average daily high temperature in April is about 13 degrees above zero. On average, Wisconsin Rapids has 10 rainy, 10 sunny, 7 partly cloudy, and 3 cloudy days in April. The rains are usually heavy. April as well as February, March, October, and November is considered the most uncomfortable time to visit Wisconsin Rapids.