Weather on October 20 in Calgary
Historical weather data for October 20 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
October 20th in Calgary, Canada typically brings cool fall weather, with average highs around 12°C and lows near -1°C. Over 54 years of records, the warmest October 20th was in 1974 (15°C average), while the coldest was 1984 (-7°C) — a 39°F range across recorded history. Precipitation has occurred on 17% of recorded October 20th dates, with snow falling 6% of the time (heaviest snowfall: 4.3"). The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Calgary? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 9°C (49°F) | 1°C (33°F) | -- |
| 2023 | 12°C (54°F) | 2°C (36°F) | 0" |
| 2022 | 18°C (64°F) | 5°C (41°F) | 0" |
| 2021 | 9°C (49°F) | -2°C (29°F) | 0" |
| 2020 | 2°C (35°F) | -4°C (24°F) | 0.06" |
| 2019 | 8°C (46°F) | -6°C (22°F) | 0" |
| 2018 | 21°C (69°F) | -1°C (31°F) | 0" |
| 2017 | 9°C (49°F) | 0°C (32°F) | 0.02" |
| 2016 | 14°C (57°F) | -3°C (27°F) | 0" |
| 2015 | 13°C (56°F) | 5°C (41°F) | 0" |
| 2014 | 23°C (74°F) | 2°C (36°F) | 0" |
| 2013 | 14°C (57°F) | 0°C (32°F) | 0" |
| 2012 | 9°C (49°F) | -4°C (25°F) | 1.08" |
| 2011 | 13°C (56°F) | 1°C (34°F) | 0" |
| 2010 | 16°C (61°F) | -1°C (31°F) | 0" |
| 2009 | 6°C (42°F) | 2°C (36°F) | 0.19" |
| 2008 | 17°C (62°F) | -2°C (28°F) | 0" |
| 2007 | 10°C (50°F) | -4°C (24°F) | 0.02" |
| 2006 | 7°C (44°F) | 1°C (34°F) | 0.16" |
| 2005 | 6°C (43°F) | -3°C (26°F) | 0.18" |
| 2004 | -2°C (29°F) | -6°C (22°F) | 0" |
| 2003 | 17°C (62°F) | 1°C (34°F) | 0" |
| 2002 | 14°C (57°F) | -1°C (31°F) | 0.04" |
| 2001 | 8°C (47°F) | -4°C (24°F) | 0" |
| 2000 | 19°C (67°F) | -1°C (31°F) | -- |
| 1999 | 17°C (63°F) | -- | -- |
| 1998 | 19°C (66°F) | -1°C (31°F) | 0" |
| 1997 | 9°C (49°F) | -8°C (17°F) | 0" |
| 1996 | 6°C (43°F) | -5°C (23°F) | 0" |
| 1995 | 16°C (61°F) | -2°C (28°F) | 0" |
| 1994 | 13°C (56°F) | -1°C (30°F) | 0" |
| 1993 | 9°C (48°F) | -8°C (17°F) | 0" |
| 1992 | 21°C (69°F) | 4°C (39°F) | 0" |
| 1991 | 18°C (65°F) | 7°C (45°F) | 0" |
| 1990 | 8°C (47°F) | -8°C (17°F) | 0" |
| 1989 | 18°C (65°F) | -1°C (30°F) | 0" |
| 1988 | 13°C (55°F) | 2°C (35°F) | 0" |
| 1987 | 12°C (53°F) | -5°C (23°F) | 0" |
| 1986 | 20°C (68°F) | 2°C (35°F) | 0" |
| 1985 | 14°C (58°F) | 1°C (34°F) | 0" |
| 1984 | -1°C (30°F) | -12°C (10°F) | 0" |
| 1983 | 14°C (58°F) | 5°C (41°F) | 0" |
| 1982 | 11°C (52°F) | -3°C (26°F) | 0" |
| 1981 | 3°C (38°F) | -2°C (28°F) | 0" |
| 1980 | 9°C (49°F) | 1°C (34°F) | 0" |
| 1979 | 1°C (33°F) | -3°C (26°F) | 0" |
| 1978 | 11°C (52°F) | 2°C (35°F) | 0.1" |
| 1977 | 7°C (45°F) | 2°C (35°F) | 0" |
| 1976 | 7°C (45°F) | -3°C (27°F) | 0" |
| 1975 | 9°C (48°F) | -1°C (31°F) | 0" |
| 1974 | 22°C (71°F) | 8°C (46°F) | 0" |
| 1973 | 16°C (61°F) | -1°C (31°F) | 0" |
| 1972 | 17°C (62°F) | 1°C (33°F) | 0" |
| 1971 | 10°C (50°F) | 1°C (34°F) | 0" |