May in Auburn Hills is the rainiest month of the year. In May, the weather in Auburn Hills is typically warm. Average daily high temperature in May is about 18 degrees above zero. On average, Auburn Hills has 17 rainy, 8 sunny, 3 cloudy, and 3 partly cloudy days in May. The rains are usually heavy. May as well as March, April, October, and November is considered the most uncomfortable time to visit Auburn Hills.