August weather forecast in Oklahoma City

August in Oklahoma City is the sunniest month of the year. In August, the weather in Oklahoma City is typically hot. Average daily high temperature in August is about 34 degrees above zero. On average, Oklahoma City has 20 sunny, 6 rainy, and 5 partly cloudy days in August. The rains are usually heavy. August as well as January, February, May, and June is considered the most uncomfortable time to visit Oklahoma City.