July in Lexington Park is the hottest month of the year. In July, the weather in Lexington Park is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Lexington Park has 15 partly cloudy, 11 sunny, and 5 rainy days in July. The rains are usually light. July as well as June, August, September, and October is considered the most comfortable time to visit Lexington Park.