Calgary Weather in July
In July, Calgary averages a high of 23°C (74°F) and a low of 10°C (50°F), from 54 years of daily records (1971–2026).
23°C
Average high
74°F
10°C
Average low
50°F
36°C
Record high
97°F · July 1, 2021
1°C
Record low
34°F · July 8, 1977
What July Is Like in Calgary
- July 2026 was the 2nd warmest July in 54 years of records, 2.7°C (4.8°F) above the long-run average.
- 6 of the 10 warmest Julys on record in Calgary have come since 2012.
- The coldest July reading, 1°C (34°F) on July 8, 1977, has not been matched in 49 years.
- July in Calgary has become 1.5°C (2.6°F) warmer on average: the 2012–2026 average against 1970–1989.
At least 1 mm of rain falls on 27% of July days, and the month averages 59 mm in total.
Warmest: 2007 (27.1°C)Latest: 2026 (26.6°C)10-year averageLong-run average (23.4°C)
Look Up a Day in July
See the weather in Calgary on any July date, year by year.
Source: NOAA GHCN-Daily, Calgary Int'L Cs (1999–2026); University Of Calgary (1971–1990); Calgary Int'L A (1980–2012); Calgary Glenmore Dam (1971–1978). Averages cover 1971–2026. How we compute this