May in Lenox is the rainiest month of the year. In May, the weather in Lenox is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Lenox has 16 rainy, 8 partly cloudy, 5 sunny, and 2 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 Lenox.