In April, the weather in Itapecerica da Serra is typically warm. Average daily high temperature in April is about 22 degrees above zero. On average, Itapecerica da Serra has 22 rainy, 5 sunny, 2 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and October is considered the most uncomfortable time to visit Itapecerica da Serra.