Weather on December 20 in Calgary
Historical weather data for December 20 in Calgary, Canada
Based on 53 years of data from CALGARY GLENMORE DAM
About This Date
December 20th in Calgary, Canada typically brings very cold winter weather, with average highs around -1°C and lows near -12°C. Over 53 years of records, the warmest December 20th was in 1979 (4°C average), while the coldest was 2022 (-30°C) — a 61°F range across recorded history. Precipitation has occurred on 21% of recorded December 20th dates, with snow falling 19% of the time (heaviest snowfall: 2.9"). 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 20th in Calgary? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | -12°C (11°F) | -22°C (-8°F) | -- |
| 2023 | 11°C (51°F) | -4°C (25°F) | 0" |
| 2022 | -28°C (-19°F) | -32°C (-26°F) | 0.11" |
| 2021 | -12°C (10°F) | -23°C (-9°F) | 0" |
| 2020 | 6°C (43°F) | -4°C (25°F) | 0" |
| 2019 | 6°C (42°F) | -2°C (28°F) | 0.19" |
| 2018 | 8°C (47°F) | -3°C (26°F) | 0" |
| 2017 | -9°C (16°F) | -17°C (2°F) | 0.7" |
| 2016 | 4°C (39°F) | -4°C (25°F) | 0" |
| 2015 | 0°C (32°F) | -14°C (6°F) | 0" |
| 2014 | 6°C (42°F) | -4°C (25°F) | 0" |
| 2013 | -6°C (21°F) | -18°C (0°F) | 0" |
| 2012 | 1°C (33°F) | -14°C (6°F) | 0" |
| 2011 | 9°C (49°F) | -1°C (30°F) | 0" |
| 2010 | -14°C (6°F) | -22°C (-7°F) | 0" |
| 2009 | -5°C (23°F) | -13°C (8°F) | 0.19" |
| 2008 | -20°C (-4°F) | -31°C (-23°F) | 0" |
| 2007 | 4°C (40°F) | -9°C (16°F) | 0" |
| 2006 | 7°C (44°F) | -6°C (22°F) | 0" |
| 2005 | 10°C (50°F) | -12°C (11°F) | 0" |
| 2004 | 2°C (36°F) | -6°C (22°F) | 0.11" |
| 2003 | 9°C (48°F) | -2°C (28°F) | -- |
| 2002 | -4°C (25°F) | -14°C (6°F) | 0" |
| 2001 | -6°C (21°F) | -17°C (1°F) | 0" |
| 2000 | -7°C (19°F) | -18°C (-1°F) | 0" |
| 1999 | 6°C (43°F) | -- | -- |
| 1998 | -16°C (3°F) | -30°C (-22°F) | 0" |
| 1997 | 6°C (42°F) | -6°C (21°F) | 0" |
| 1996 | 2°C (35°F) | -22°C (-8°F) | 0.3" |
| 1995 | 1°C (33°F) | -10°C (14°F) | 0" |
| 1994 | 10°C (50°F) | -6°C (21°F) | 0" |
| 1993 | 5°C (41°F) | -5°C (23°F) | 0.04" |
| 1991 | 4°C (39°F) | -8°C (17°F) | 0" |
| 1990 | -23°C (-10°F) | -32°C (-25°F) | 0" |
| 1989 | -24°C (-12°F) | -27°C (-17°F) | 0.06" |
| 1988 | -2°C (29°F) | -16°C (3°F) | 0" |
| 1987 | 3°C (37°F) | -5°C (23°F) | 0" |
| 1986 | 7°C (45°F) | -6°C (22°F) | 0" |
| 1985 | 9°C (48°F) | -2°C (28°F) | 0" |
| 1984 | 3°C (37°F) | -12°C (10°F) | 0" |
| 1983 | -23°C (-9°F) | -28°C (-19°F) | 0" |
| 1982 | -5°C (23°F) | -10°C (14°F) | 0.06" |
| 1981 | 6°C (42°F) | -3°C (27°F) | 0" |
| 1980 | -21°C (-5°F) | -22°C (-8°F) | 0.4" |
| 1979 | 9°C (48°F) | -2°C (29°F) | 0" |
| 1978 | 4°C (39°F) | -8°C (18°F) | 0.04" |
| 1977 | 2°C (36°F) | -18°C (0°F) | 0" |
| 1976 | 5°C (41°F) | -11°C (13°F) | 0" |
| 1975 | 6°C (43°F) | -5°C (23°F) | 0" |
| 1974 | 5°C (41°F) | -6°C (22°F) | 0" |
| 1973 | 6°C (43°F) | -1°C (30°F) | 0" |
| 1972 | 8°C (46°F) | -5°C (23°F) | 0" |
| 1971 | -14°C (6°F) | -16°C (3°F) | 0" |