Weather on January 21 in Ottawa

Historical weather data for January 21 in Ottawa, Canada

Avg High-7°C (19°F)
Avg Low-16°C (3°F)
Warmest20172°C
Coldest2005-24°C

Based on 56 years of data from OTTAWA CDA

About This Date

January 21st in Ottawa, Canada typically brings frigid winter weather, with average highs around -7°C and lows near -16°C. Over 56 years of records, the warmest January 21st was in 2017 (2°C average), while the coldest was 2005 (-24°C) — a 47°F range across recorded history. Precipitation has occurred on 43% of recorded January 21st dates, with snow falling 29% of the time (heaviest snowfall: 5.7"). The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.

Planning for January 21st 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

YearHighLowPrecip
2026-6°C (21°F)-13°C (8°F)--
2025-11°C (12°F)-18°C (-1°F)--
2024-10°C (14°F)-18°C (0°F)0"
2023-2°C (29°F)-8°C (18°F)0"
2022-17°C (2°F)--0"
2021-2°C (29°F)-16°C (3°F)0.26"
2020-4°C (25°F)-19°C (-2°F)0"
2019-17°C (2°F)-24°C (-11°F)0.02"
20182°C (35°F)-3°C (26°F)0.09"
20173°C (37°F)0°C (32°F)0.04"
2016-7°C (19°F)-14°C (7°F)0"
2015-9°C (15°F)-23°C (-9°F)0"
2014-21°C (-5°F)-26°C (-15°F)0"
2013-16°C (4°F)-23°C (-10°F)0.02"
2012-9°C (16°F)-21°C (-5°F)0"
2011-7°C (19°F)-16°C (3°F)0.08"
2010-3°C (26°F)-12°C (11°F)0"
2009-4°C (25°F)-21°C (-5°F)0.04"
2008-9°C (16°F)-22°C (-7°F)0"
2007-11°C (13°F)-23°C (-9°F)0.12"
20060°C (32°F)-2°C (28°F)1.6"
2005-21°C (-6°F)-28°C (-18°F)0"
2004-9°C (16°F)-22°C (-7°F)0.24"
2003-20°C (-4°F)-24°C (-12°F)0"
20020°C (32°F)-3°C (26°F)0"
2001-7°C (20°F)-22°C (-8°F)0"
2000-16°C (3°F)-23°C (-10°F)0"
1999-3°C (27°F)-5°C (23°F)0.12"
1998-6°C (22°F)-11°C (13°F)0"
19972°C (36°F)-18°C (-1°F)0.7"
1996-4°C (24°F)-12°C (11°F)0"
19952°C (35°F)1°C (33°F)0.62"
1994-6°C (21°F)-21°C (-5°F)0.22"
19931°C (33°F)-13°C (8°F)0.24"
1992-9°C (15°F)-19°C (-2°F)0.04"
1991-17°C (2°F)-25°C (-13°F)0"
1990-12°C (11°F)-13°C (8°F)0.51"
1989-9°C (16°F)-24°C (-12°F)0"
19882°C (36°F)-4°C (24°F)0.08"
1987-1°C (30°F)-16°C (3°F)0"
1986-1°C (30°F)-5°C (23°F)0"
1985-12°C (11°F)-26°C (-14°F)0.18"
1984-17°C (1°F)-31°C (-23°F)0.16"
1983-5°C (23°F)-15°C (5°F)0"
1982-17°C (1°F)-23°C (-10°F)0"
1981-4°C (24°F)-23°C (-9°F)0"
1980-8°C (17°F)-12°C (10°F)0"
1979-4°C (25°F)-12°C (10°F)1.46"
1978-7°C (19°F)-12°C (11°F)0"
1977-7°C (19°F)-13°C (8°F)0"
1976-4°C (25°F)-8°C (17°F)0.51"
19751°C (33°F)-27°C (-16°F)0"
19744°C (40°F)-13°C (8°F)0.69"
1973-8°C (18°F)-16°C (3°F)0"
1972-14°C (6°F)-21°C (-5°F)0"
1971-2°C (29°F)-19°C (-2°F)0.69"

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