Montreal Weather in June
In June, Montreal averages a high of 24°C (75°F) and a low of 15°C (58°F), from 53 years of daily records (1971–2026).
24°C
Average high
75°F
15°C
Average low
58°F
35°C
Record high
95°F · June 1, 2023
3°C
Record low
38°F · June 9, 1980
What June Is Like in Montreal
- The coldest June reading, 3°C (38°F) on June 9, 1980, has not been matched in 46 years.
- June 2026 was the 5th warmest June in 53 years of records, 1.5°C (2.7°F) above the long-run average.
- A typical June brings 2.5 days above 30°C (86°F).
- June in Montreal has become 0.6°C (1.1°F) warmer on average: the 2012–2026 average against 1970–1989.
At least 1 mm of rain falls on 36% of June days, and the month averages 95 mm in total.
Warmest: 2021 (26.9°C)Latest: 2026 (24.9°C)10-year averageLong-run average (23.9°C)
Look Up a Day in June
See the weather in Montreal on any June 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