April in Grayling is the windiest month of the year. In April, the weather in Grayling is typically cold. Average daily high temperature in April is about 8 degrees above zero. On average, Grayling has 12 rainy, 8 cloudy, 5 sunny, and 5 partly cloudy days in April. The rains are usually moderate. April as well as March, October, and November is considered the most uncomfortable time to visit Grayling.