August in Fort McMurray averages a daily high of 22.7°C with nights around 9.1°C. Expect roughly 10.2 wet days totalling 57.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Fort McMurray is May–August.
Based on FORT MCMURRAY CS, AB CA (13.2km), 1995–2024. 27 years of August data.