Weather on December 1 in Ottawa
Historical weather data for December 1 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
December 1st in Ottawa, Canada typically brings cold winter weather, with average highs around 2°C and lows near -4°C. Over 54 years of records, the warmest December 1st was in 1996 (7°C average), while the coldest was 1989 (-16°C) — a 41°F range across recorded history. Precipitation has occurred on 56% of recorded December 1st dates, with snow falling 28% of the time (heaviest snowfall: 4.9"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 1st in Ottawa? 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 (mm) |
|---|---|---|---|
| 2025 | 2°C (36°F) | -10°C (14°F) | -- |
| 2023 | 8°C (46°F) | 2°C (35°F) | 1 mm |
| 2022 | 2°C (35°F) | -5°C (23°F) | 0 mm |
| 2021 | 1°C (33°F) | -4°C (25°F) | 1 mm |
| 2020 | 6°C (43°F) | 3°C (37°F) | 6 mm |
| 2019 | -4°C (25°F) | -12°C (11°F) | 0 mm |
| 2018 | 2°C (36°F) | -5°C (23°F) | 0 mm |
| 2017 | 3°C (38°F) | 0°C (32°F) | 0 mm |
| 2016 | 8°C (46°F) | 4°C (40°F) | 12 mm |
| 2015 | 1°C (33°F) | -7°C (19°F) | 1 mm |
| 2014 | 4°C (40°F) | -13°C (9°F) | 0 mm |
| 2013 | -2°C (29°F) | -10°C (14°F) | 1 mm |
| 2012 | -5°C (23°F) | -12°C (11°F) | 0 mm |
| 2011 | 0°C (32°F) | -3°C (26°F) | 1 mm |
| 2010 | 10°C (50°F) | 1°C (34°F) | 29 mm |
| 2009 | 3°C (38°F) | -2°C (29°F) | 0 mm |
| 2008 | 4°C (40°F) | -1°C (31°F) | 1 mm |
| 2007 | -8°C (17°F) | -16°C (4°F) | -- |
| 2006 | 3°C (38°F) | -1°C (30°F) | 28 mm |
| 2005 | 3°C (37°F) | -2°C (28°F) | 1 mm |
| 2004 | 2°C (36°F) | 0°C (32°F) | 14 mm |
| 2003 | 1°C (33°F) | -1°C (30°F) | 2 mm |
| 2002 | -6°C (21°F) | -12°C (10°F) | 0 mm |
| 2001 | 11°C (51°F) | 1°C (33°F) | 0 mm |
| 2000 | -2°C (29°F) | -4°C (24°F) | 0 mm |
| 1999 | -1°C (31°F) | -9°C (15°F) | 0 mm |
| 1998 | 8°C (46°F) | 4°C (40°F) | 0 mm |
| 1997 | -2°C (29°F) | -6°C (22°F) | 0 mm |
| 1996 | 12°C (54°F) | 1°C (34°F) | 12 mm |
| 1995 | 3°C (37°F) | -12°C (10°F) | 5 mm |
| 1994 | 4°C (40°F) | -9°C (16°F) | 2 mm |
| 1993 | 1°C (33°F) | -9°C (15°F) | 0 mm |
| 1992 | 3°C (38°F) | 1°C (34°F) | 0 mm |
| 1991 | 6°C (43°F) | 3°C (37°F) | 0 mm |
| 1990 | 8°C (47°F) | 0°C (32°F) | 0 mm |
| 1989 | -12°C (10°F) | -19°C (-3°F) | 0 mm |
| 1988 | 2°C (36°F) | -1°C (30°F) | 1 mm |
| 1987 | 2°C (35°F) | 0°C (32°F) | 0 mm |
| 1986 | -2°C (29°F) | -11°C (13°F) | 0 mm |
| 1985 | 7°C (44°F) | -3°C (27°F) | 12 mm |
| 1984 | 6°C (43°F) | 3°C (38°F) | 0 mm |
| 1983 | 0°C (32°F) | -2°C (28°F) | 0 mm |
| 1982 | 4°C (39°F) | 0°C (32°F) | 0 mm |
| 1981 | 2°C (35°F) | -7°C (19°F) | 1 mm |
| 1980 | 4°C (40°F) | 1°C (34°F) | 1 mm |
| 1979 | -2°C (29°F) | -7°C (20°F) | 0 mm |
| 1978 | -1°C (30°F) | -8°C (18°F) | 7 mm |
| 1977 | 7°C (45°F) | -4°C (24°F) | 8 mm |
| 1976 | -3°C (26°F) | -12°C (10°F) | 1 mm |
| 1975 | 2°C (36°F) | 1°C (33°F) | 0 mm |
| 1974 | -1°C (30°F) | -9°C (15°F) | 0 mm |
| 1973 | 0°C (32°F) | -4°C (25°F) | 0 mm |
| 1972 | 1°C (34°F) | -3°C (26°F) | 1 mm |
| 1971 | -5°C (23°F) | -9°C (15°F) | 0 mm |