April in Madison is the rainiest and the windiest month of the year. In April, the weather in Madison is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Madison has 15 rainy, 6 sunny, 5 partly cloudy, and 4 cloudy days in April. The rains are usually heavy. April as well as March and November is considered the most uncomfortable time to visit Madison.