Montreal Weather in January
In January, Montreal averages a high of -5°C (23°F) and a low of -12°C (10°F), from 56 years of daily records (1971–2026).
-5°C
Average high
23°F
-12°C
Average low
10°F
13°C
Record high
55°F · January 15, 1995
-35°C
Record low
-30°F · January 27, 1994
What January Is Like in Montreal
- January in Montreal has become 1.8°C (3.2°F) warmer on average: the 2012–2026 average against 1970–1989.
- 5 of the 10 warmest Januarys on record in Montreal have come since 2012.
- The January heat record, 13°C (55°F) on January 15, 1995, has stood for 31 years.
- The coldest January reading, -35°C (-30°F) on January 27, 1994, has not been matched in 32 years.
At least 1 mm of rain falls on 40% of January days, and the month averages 80 mm in total.
Warmest: 1990 (1.0°C)Latest: 2026 (-5.6°C)10-year averageLong-run average (-4.9°C)
Look Up a Day in January
See the weather in Montreal on any January 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