Weather on March 12 in Ottawa
Historical weather data for March 12 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA
About This Date
March 12th in Ottawa, Canada typically brings cold spring weather, with average highs around 1°C and lows near -8°C. Over 56 years of records, the warmest March 12th was in 1977 (6°C average), while the coldest was 1984 (-21°C) — a 48°F range across recorded history. Precipitation has occurred on 38% of recorded March 12th dates, with snow falling 20% of the time (heaviest snowfall: 3.3"). The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for March 12th 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 |
|---|---|---|---|
| 2026 | 1°C (34°F) | -6°C (21°F) | -- |
| 2025 | 3°C (37°F) | -8°C (17°F) | -- |
| 2024 | 11°C (52°F) | -2°C (29°F) | 0" |
| 2023 | 3°C (38°F) | -11°C (13°F) | 0" |
| 2022 | -2°C (29°F) | -9°C (15°F) | 0.41" |
| 2021 | 6°C (43°F) | -7°C (20°F) | 0" |
| 2020 | 3°C (37°F) | -3°C (27°F) | 0.6" |
| 2019 | 0°C (32°F) | -7°C (19°F) | 0" |
| 2018 | 2°C (35°F) | -5°C (23°F) | 0.07" |
| 2017 | -11°C (12°F) | -18°C (0°F) | 0" |
| 2016 | 9°C (49°F) | -5°C (23°F) | 0" |
| 2015 | -2°C (29°F) | -11°C (13°F) | 0" |
| 2014 | -4°C (24°F) | -10°C (14°F) | 0.62" |
| 2013 | 5°C (41°F) | 2°C (36°F) | 0" |
| 2012 | 12°C (53°F) | -2°C (29°F) | 0" |
| 2011 | 4°C (40°F) | -1°C (31°F) | 0.06" |
| 2010 | 7°C (44°F) | 1°C (34°F) | 0" |
| 2009 | -7°C (20°F) | -12°C (11°F) | 0" |
| 2008 | -1°C (31°F) | -12°C (10°F) | 0.14" |
| 2007 | 7°C (45°F) | -3°C (27°F) | 0" |
| 2006 | 7°C (44°F) | -2°C (28°F) | 0.42" |
| 2005 | 2°C (35°F) | -8°C (17°F) | 0" |
| 2004 | 3°C (38°F) | 0°C (32°F) | 0" |
| 2003 | 1°C (33°F) | -11°C (12°F) | 0.06" |
| 2002 | 3°C (38°F) | -4°C (24°F) | 0" |
| 2001 | -5°C (23°F) | -16°C (3°F) | 0" |
| 2000 | 2°C (36°F) | -3°C (27°F) | 0.24" |
| 1999 | -5°C (23°F) | -11°C (13°F) | 0.06" |
| 1998 | -13°C (8°F) | -16°C (3°F) | 0" |
| 1997 | -5°C (23°F) | -13°C (9°F) | 0" |
| 1996 | 7°C (45°F) | -9°C (15°F) | 0" |
| 1995 | 4°C (39°F) | -8°C (18°F) | 0" |
| 1994 | -1°C (31°F) | -18°C (0°F) | 0.5" |
| 1993 | -9°C (15°F) | -22°C (-8°F) | 0" |
| 1992 | -14°C (7°F) | -17°C (1°F) | 0.06" |
| 1991 | 2°C (35°F) | -9°C (15°F) | 0" |
| 1990 | 6°C (43°F) | 2°C (35°F) | 0.5" |
| 1989 | -5°C (23°F) | -11°C (12°F) | 0" |
| 1988 | -4°C (25°F) | -13°C (9°F) | 0.14" |
| 1987 | 1°C (33°F) | -12°C (10°F) | 0" |
| 1986 | -1°C (31°F) | -11°C (12°F) | 0" |
| 1985 | 3°C (38°F) | -1°C (30°F) | 2.1" |
| 1984 | -16°C (4°F) | -27°C (-16°F) | 0" |
| 1983 | 4°C (39°F) | -3°C (27°F) | 0" |
| 1982 | 4°C (40°F) | 2°C (35°F) | 0" |
| 1981 | 2°C (36°F) | -6°C (21°F) | 0.76" |
| 1980 | -6°C (22°F) | -16°C (3°F) | 0" |
| 1979 | -7°C (19°F) | -9°C (16°F) | 0.06" |
| 1978 | 2°C (36°F) | -1°C (30°F) | 0" |
| 1977 | 10°C (50°F) | 1°C (33°F) | 0.08" |
| 1976 | 3°C (37°F) | -21°C (-5°F) | 1.3" |
| 1975 | 4°C (39°F) | -12°C (11°F) | 0.3" |
| 1974 | -4°C (24°F) | -13°C (9°F) | 0" |
| 1973 | 7°C (44°F) | 1°C (34°F) | 0.56" |
| 1972 | 4°C (40°F) | -7°C (19°F) | 0" |
| 1971 | 1°C (34°F) | -16°C (3°F) | 0" |