June in Calgary averages a daily high of 20.3°C with nights around 7.9°C. Expect roughly 12.3 wet days totalling 92.8mm. 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. 24 years of June data.