Weather on December 20 in Montreal
Historical weather data for December 20 in Montreal, Canada
Based on 51 years of data from MONTREAL MCGILL
About This Date
December 20th in Montreal, Canada typically brings very cold winter weather, with average highs around -3°C and lows near -11°C. Over 51 years of records, the warmest December 20th was in 2002 (3°C average), while the coldest was 2004 (-22°C) — a 46°F range across recorded history. Precipitation has occurred on 59% of recorded December 20th dates, with snow falling 29% of the time (heaviest snowfall: 8.3"). The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Montreal? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 1°C (33°F) | -9°C (16°F) | -- |
| 2023 | -1°C (31°F) | -6°C (21°F) | 0.02" |
| 2022 | -2°C (29°F) | -6°C (22°F) | 0" |
| 2021 | -1°C (31°F) | -13°C (8°F) | 0" |
| 2020 | 0°C (32°F) | -3°C (26°F) | 0.76" |
| 2019 | -11°C (13°F) | -16°C (3°F) | 0" |
| 2018 | 5°C (41°F) | -4°C (24°F) | 0.35" |
| 2017 | 2°C (35°F) | -12°C (11°F) | 0.02" |
| 2016 | -2°C (28°F) | -9°C (15°F) | 0" |
| 2015 | 0°C (32°F) | -6°C (21°F) | 0" |
| 2014 | -7°C (19°F) | -12°C (11°F) | -- |
| 2013 | -1°C (31°F) | -9°C (16°F) | 1.3" |
| 2012 | 2°C (35°F) | -- | -- |
| 2011 | -3°C (27°F) | -8°C (18°F) | 0" |
| 2010 | -4°C (24°F) | -11°C (13°F) | -- |
| 2009 | -8°C (17°F) | -12°C (10°F) | 0" |
| 2008 | -13°C (8°F) | -17°C (2°F) | 0.12" |
| 2007 | -6°C (21°F) | -8°C (17°F) | 0.1" |
| 2006 | 5°C (41°F) | -4°C (24°F) | 0.12" |
| 2005 | -3°C (26°F) | -14°C (7°F) | 0.11" |
| 2004 | -19°C (-3°F) | -26°C (-14°F) | 0" |
| 2003 | -7°C (19°F) | -13°C (9°F) | 0.1" |
| 2002 | 7°C (45°F) | -1°C (31°F) | 0.94" |
| 2001 | 1°C (33°F) | -2°C (28°F) | 0.34" |
| 2000 | -6°C (21°F) | -12°C (10°F) | 0.41" |
| 1999 | 4°C (40°F) | -8°C (17°F) | 2.04" |
| 1997 | 2°C (36°F) | -12°C (11°F) | 0" |
| 1996 | -3°C (27°F) | -8°C (18°F) | 0.16" |
| 1994 | 3°C (38°F) | -8°C (18°F) | 0" |
| 1992 | 4°C (40°F) | -7°C (19°F) | 0.67" |
| 1991 | 1°C (34°F) | -12°C (10°F) | 0.86" |
| 1990 | -7°C (20°F) | -14°C (6°F) | 0" |
| 1989 | -7°C (19°F) | -14°C (6°F) | 0.06" |
| 1988 | 10°C (50°F) | -6°C (21°F) | 0" |
| 1987 | 4°C (40°F) | -5°C (23°F) | 0.92" |
| 1986 | 2°C (36°F) | -3°C (27°F) | 0" |
| 1985 | -14°C (7°F) | -19°C (-2°F) | 0.02" |
| 1984 | 2°C (35°F) | -7°C (20°F) | 0" |
| 1983 | -19°C (-3°F) | -22°C (-8°F) | 0.03" |
| 1982 | -3°C (26°F) | -6°C (22°F) | 0.29" |
| 1981 | -9°C (15°F) | -13°C (9°F) | 0" |
| 1980 | -17°C (1°F) | -22°C (-7°F) | 0" |
| 1979 | -6°C (21°F) | -18°C (-1°F) | 0" |
| 1978 | -4°C (25°F) | -16°C (4°F) | 0.38" |
| 1977 | -1°C (30°F) | -4°C (24°F) | 0.23" |
| 1976 | -2°C (29°F) | -9°C (15°F) | 0.94" |
| 1975 | -15°C (5°F) | -25°C (-13°F) | 0.2" |
| 1974 | -2°C (28°F) | -5°C (23°F) | 0.05" |
| 1973 | 2°C (35°F) | -14°C (7°F) | 5.49" |
| 1972 | -11°C (12°F) | -13°C (8°F) | 0.03" |
| 1971 | -1°C (30°F) | -13°C (9°F) | 0.18" |