May in Lake Placid is the rainiest month of the year. In May, the weather in Lake Placid is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Lake Placid has 25 rainy, 4 sunny, and 2 cloudy days in May. The rains are usually heavy. May as well as March, April, June, and October is considered the most uncomfortable time to visit Lake Placid.