April in Lapeer is the rainiest month of the year. In April, the weather in Lapeer is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Lapeer has 16 rainy, 7 cloudy, 5 sunny, and 2 partly cloudy days in April. The rains are usually heavy. April as well as March, October, and November is considered the most uncomfortable time to visit Lapeer.