July in Calgary averages a daily high of 24.4°C with nights around 10.6°C. Expect roughly 9.8 wet days totalling 46.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Calgary is June–September.
Based on CALGARY INTERNATIONAL CS, AB CA (8.8km), 1995–2024. 21 years of July data.