May in Fort McMurray averages a daily high of 17.4°C with nights around 2.8°C. Expect roughly 7.7 wet days totalling 28.5mm. 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 May data.