Weather on December 15 in Ottawa

Historical weather data for December 15 in Ottawa, Canada

Avg High-2°C (29°F)
Avg Low-9°C (15°F)
Warmest20067°C
Coldest1980-20°C

Based on 55 years of data from OTTAWA CDA

About This Date

December 15th in Ottawa, Canada typically brings very cold winter weather, with average highs around -2°C and lows near -9°C. Over 55 years of records, the warmest December 15th was in 2006 (7°C average), while the coldest was 1980 (-20°C) — a 48°F range across recorded history. Precipitation has occurred on 53% of recorded December 15th dates, with snow falling 27% of the time (heaviest snowfall: 6.2"). The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.

Planning for December 15th 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
2025-7°C (20°F)-16°C (3°F)--
2024-6°C (22°F)-16°C (4°F)0"
20239°C (48°F)-1°C (30°F)0"
20223°C (37°F)-3°C (26°F)0.04"
2021-1°C (31°F)-4°C (24°F)0.41"
2020-5°C (23°F)-16°C (3°F)0.02"
20190°C (32°F)-12°C (11°F)0.02"
20183°C (38°F)-5°C (23°F)0"
2017-11°C (12°F)-22°C (-8°F)0.24"
2016-9°C (15°F)-21°C (-6°F)0.02"
20159°C (49°F)3°C (37°F)0"
20141°C (33°F)-1°C (31°F)0"
2013-9°C (15°F)-17°C (2°F)0.53"
2012-6°C (22°F)-10°C (14°F)0"
201111°C (52°F)2°C (36°F)0.56"
2010-10°C (14°F)-16°C (3°F)0.08"
2009-1°C (30°F)-11°C (13°F)0.29"
20089°C (48°F)-6°C (22°F)0.07"
2007-14°C (6°F)-22°C (-7°F)0"
20069°C (49°F)4°C (39°F)0.95"
2005-6°C (22°F)-17°C (2°F)1.5"
2004-8°C (17°F)-20°C (-4°F)0"
2003-4°C (25°F)-10°C (14°F)0"
20021°C (34°F)-1°C (30°F)0.52"
2001-1°C (31°F)-7°C (19°F)0"
2000-6°C (22°F)-19°C (-3°F)0"
19994°C (39°F)-2°C (28°F)0.24"
199810°C (50°F)-3°C (27°F)0"
1997-10°C (14°F)-18°C (0°F)0"
19962°C (36°F)-2°C (28°F)0.1"
1995-6°C (22°F)-13°C (9°F)0"
1994-5°C (23°F)-13°C (9°F)0"
19938°C (46°F)1°C (33°F)0"
19922°C (35°F)-11°C (12°F)0.16"
1991-9°C (16°F)-11°C (12°F)0"
1990-3°C (26°F)-12°C (11°F)0.6"
1989-14°C (6°F)-24°C (-12°F)0.14"
1988-2°C (29°F)-13°C (8°F)0.11"
19870°C (32°F)-4°C (24°F)1.34"
19861°C (33°F)-3°C (26°F)0"
1985-4°C (24°F)-18°C (-1°F)0.03"
1984-4°C (25°F)-9°C (15°F)0"
19834°C (40°F)0°C (32°F)0.07"
19822°C (36°F)-2°C (28°F)1.9"
19811°C (34°F)-1°C (31°F)0"
1980-16°C (4°F)-24°C (-11°F)0.08"
19792°C (36°F)-11°C (13°F)0"
19783°C (37°F)-10°C (14°F)0.12"
1977-2°C (29°F)-4°C (24°F)0"
19762°C (36°F)-1°C (30°F)0"
19758°C (47°F)-6°C (21°F)0"
1974-5°C (23°F)-11°C (12°F)0.33"
1973-11°C (13°F)-18°C (0°F)0"
1972-9°C (15°F)-14°C (6°F)1.02"
19717°C (44°F)-8°C (17°F)1.4"

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