Montreal Weather in March
In March, Montreal averages a high of 3°C (37°F) and a low of -5°C (23°F), from 56 years of daily records (1971–2026).
3°C
Average high
37°F
-5°C
Average low
23°F
26°C
Record high
79°F · March 21, 2012
-25°C
Record low
-13°F · March 12, 1984
What March Is Like in Montreal
- The coldest March reading, -25°C (-13°F) on March 12, 1984, has not been matched in 42 years.
- Snow falls on about 8.9 days in a typical March.
- On average, 23 nights in March drop below freezing.
- March 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 37% of March days, and the month averages 83 mm in total.
Warmest: 2012 (8.0°C)Latest: 2026 (5.0°C)10-year averageLong-run average (2.7°C)
Look Up a Day in March
See the weather in Montreal on any March 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