August weather forecast in Ft McMurray

August in Ft McMurray is the sunniest month of the year. In August, the weather in Ft McMurray is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Ft McMurray has 13 sunny, 11 partly cloudy, 4 rainy, and 3 cloudy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Ft McMurray.