Montreal Weather in July
In July, Montreal averages a high of 26°C (80°F) and a low of 18°C (64°F), from 54 years of daily records (1971–2026).
26°C
Average high
80°F
18°C
Average low
64°F
37°C
Record high
98°F · July 2, 2018
6°C
Record low
43°F · July 2, 1992
What July Is Like in Montreal
- 5 of the 10 warmest Julys on record in Montreal have come since 2012.
- The coldest July reading, 6°C (43°F) on July 2, 1992, has not been matched in 34 years.
- July is Montreal's warmest month of the year.
- July is the wettest month of the year in Montreal, averaging 105 mm of rain.
At least 1 mm of rain falls on 35% of July days, and the month averages 105 mm in total.
Warmest: 2018 (29.5°C)Latest: 2026 (27.1°C)10-year averageLong-run average (26.5°C)
Look Up a Day in July
See the weather in Montreal on any July date, year by year.
Source: NOAA GHCN-Daily, Mctavish (1994–2026); Montreal Mcgill (1971–1993); Montreal/St-Hubert A (1979–2009). Averages cover 1971–2026. How we compute this