Weather on December 31 in Montreal
Historical weather data for December 31 in Montreal, Canada
Based on 50 years of data from MONTREAL MCGILL
About This Date
December 31st in Montreal, Canada typically brings very cold winter weather, with average highs around -3°C and lows near -11°C. Over 50 years of records, the warmest December 31st was in 2022 (7°C average), while the coldest was 2017 (-20°C) — a 48°F range across recorded history. Precipitation has occurred on 52% of recorded December 31st dates, with snow falling 10% of the time (heaviest snowfall: 1.8"). The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Montreal? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | -8°C (18°F) | -15°C (5°F) | -- |
| 2023 | -4°C (24°F) | -6°C (22°F) | 0" |
| 2022 | 9°C (48°F) | 4°C (40°F) | 1.46" |
| 2021 | 1°C (33°F) | -3°C (27°F) | 0.03" |
| 2019 | 1°C (34°F) | -2°C (28°F) | 1.13" |
| 2018 | 2°C (35°F) | -8°C (18°F) | 0.3" |
| 2017 | -18°C (-1°F) | -22°C (-8°F) | 0" |
| 2016 | -2°C (28°F) | -14°C (7°F) | 0.56" |
| 2015 | -1°C (31°F) | -5°C (23°F) | 0.12" |
| 2014 | -7°C (20°F) | -14°C (7°F) | -- |
| 2013 | -16°C (4°F) | -20°C (-4°F) | 0" |
| 2012 | 0°C (32°F) | -11°C (13°F) | 0.1" |
| 2011 | -2°C (29°F) | -7°C (19°F) | 0.22" |
| 2010 | 6°C (43°F) | 1°C (33°F) | 0.22" |
| 2009 | -2°C (28°F) | -8°C (18°F) | 0" |
| 2008 | -12°C (10°F) | -18°C (0°F) | 0" |
| 2007 | -2°C (28°F) | -7°C (20°F) | 0.74" |
| 2006 | -1°C (30°F) | -7°C (19°F) | 0.3" |
| 2005 | -11°C (13°F) | -16°C (4°F) | 0" |
| 2004 | 9°C (49°F) | -4°C (24°F) | 2.2" |
| 2003 | 3°C (38°F) | -3°C (26°F) | 0.12" |
| 2002 | 5°C (41°F) | -7°C (19°F) | 1.9" |
| 2001 | -4°C (25°F) | -9°C (15°F) | 0.12" |
| 2000 | -3°C (27°F) | -7°C (20°F) | 1.33" |
| 1999 | -8°C (17°F) | -17°C (2°F) | 0" |
| 1997 | -9°C (15°F) | -21°C (-6°F) | 0.11" |
| 1996 | -14°C (6°F) | -19°C (-2°F) | 0" |
| 1994 | -6°C (21°F) | -13°C (8°F) | 0" |
| 1992 | -2°C (28°F) | -6°C (21°F) | 0.22" |
| 1991 | -5°C (23°F) | -12°C (10°F) | 0" |
| 1990 | -12°C (11°F) | -16°C (4°F) | 0" |
| 1989 | 3°C (38°F) | -17°C (1°F) | 1.55" |
| 1988 | -- | -16°C (3°F) | 0" |
| 1987 | 3°C (38°F) | -17°C (1°F) | 0.06" |
| 1986 | -2°C (29°F) | -6°C (22°F) | 0" |
| 1985 | 3°C (37°F) | -7°C (19°F) | 0" |
| 1984 | -10°C (14°F) | -12°C (11°F) | 0.1" |
| 1983 | -6°C (22°F) | -10°C (14°F) | 0" |
| 1982 | -2°C (29°F) | -4°C (25°F) | 0" |
| 1981 | 1°C (33°F) | -8°C (17°F) | 0.28" |
| 1980 | -15°C (5°F) | -21°C (-6°F) | 0" |
| 1979 | -3°C (27°F) | -10°C (14°F) | 0" |
| 1978 | 5°C (41°F) | -9°C (16°F) | 1.93" |
| 1977 | -9°C (16°F) | -11°C (13°F) | 0" |
| 1976 | -15°C (5°F) | -20°C (-4°F) | 0.23" |
| 1975 | 2°C (36°F) | -2°C (28°F) | 0" |
| 1974 | 0°C (32°F) | -5°C (23°F) | 0" |
| 1973 | -6°C (21°F) | -7°C (19°F) | 0.38" |
| 1972 | 5°C (41°F) | -12°C (11°F) | 1.83" |
| 1971 | -15°C (5°F) | -18°C (0°F) | 0" |