Weather on August 31 in Calgary
Historical weather data for August 31 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
August 31st in Calgary, Canada typically brings mild summer weather, with average highs around 21°C and lows near 7°C. Over 54 years of records, the warmest August 31st was in 1991 (22°C average), while the coldest was 2008 (5°C) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 31st dates historically, with the wettest August 31st recording 2.61" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Calgary? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 27°C (81°F) | 9°C (49°F) | -- |
| 2023 | 19°C (66°F) | 14°C (57°F) | 66 mm |
| 2022 | 32°C (89°F) | 12°C (54°F) | 0 mm |
| 2021 | 19°C (66°F) | 8°C (46°F) | 1 mm |
| 2020 | 20°C (68°F) | 6°C (42°F) | 0 mm |
| 2019 | 18°C (65°F) | 7°C (45°F) | 15 mm |
| 2018 | 21°C (69°F) | 6°C (43°F) | 0 mm |
| 2017 | 27°C (80°F) | 14°C (57°F) | 0 mm |
| 2016 | 28°C (82°F) | 11°C (51°F) | 0 mm |
| 2015 | 22°C (71°F) | 9°C (49°F) | 0 mm |
| 2014 | 19°C (67°F) | 7°C (45°F) | 0 mm |
| 2013 | 23°C (73°F) | 7°C (44°F) | 0 mm |
| 2012 | 22°C (71°F) | 5°C (41°F) | 0 mm |
| 2011 | 9°C (49°F) | 6°C (43°F) | 57 mm |
| 2010 | 19°C (67°F) | 2°C (36°F) | 0 mm |
| 2009 | 29°C (85°F) | 8°C (47°F) | 0 mm |
| 2008 | 7°C (44°F) | 3°C (38°F) | 26 mm |
| 2007 | 23°C (74°F) | 12°C (54°F) | 2 mm |
| 2006 | 17°C (63°F) | 6°C (43°F) | 3 mm |
| 2005 | 21°C (69°F) | 5°C (41°F) | 0 mm |
| 2004 | 27°C (80°F) | 11°C (52°F) | 0 mm |
| 2003 | 29°C (84°F) | 7°C (45°F) | 0 mm |
| 2002 | 22°C (72°F) | 7°C (44°F) | 0 mm |
| 2001 | 31°C (87°F) | 11°C (52°F) | 0 mm |
| 2000 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 1999 | 11°C (52°F) | 4°C (40°F) | 2 mm |
| 1998 | 25°C (77°F) | 7°C (45°F) | 0 mm |
| 1997 | 13°C (56°F) | 6°C (43°F) | 0 mm |
| 1996 | 23°C (74°F) | 10°C (50°F) | 0 mm |
| 1995 | 23°C (74°F) | 4°C (39°F) | 0 mm |
| 1994 | 17°C (63°F) | 4°C (40°F) | 0 mm |
| 1993 | 16°C (60°F) | 6°C (43°F) | 2 mm |
| 1992 | 22°C (72°F) | 6°C (43°F) | 0 mm |
| 1991 | 32°C (90°F) | 12°C (54°F) | 0 mm |
| 1990 | 22°C (71°F) | 6°C (42°F) | 0 mm |
| 1989 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 1988 | 22°C (71°F) | 4°C (40°F) | 0 mm |
| 1987 | 27°C (80°F) | 9°C (49°F) | 0 mm |
| 1986 | 18°C (65°F) | 8°C (46°F) | 5 mm |
| 1985 | 18°C (65°F) | 3°C (37°F) | 0 mm |
| 1984 | 15°C (59°F) | 8°C (46°F) | 0 mm |
| 1983 | 28°C (82°F) | 12°C (54°F) | 0 mm |
| 1982 | 20°C (68°F) | 4°C (40°F) | 0 mm |
| 1981 | 21°C (70°F) | 2°C (35°F) | 0 mm |
| 1980 | 13°C (55°F) | 3°C (38°F) | 4 mm |
| 1979 | 22°C (72°F) | 13°C (55°F) | 3 mm |
| 1978 | 23°C (74°F) | 9°C (48°F) | 0 mm |
| 1977 | 13°C (55°F) | 5°C (41°F) | 0 mm |
| 1976 | 26°C (78°F) | 9°C (48°F) | 0 mm |
| 1975 | 14°C (57°F) | 7°C (44°F) | 0 mm |
| 1974 | 14°C (58°F) | 8°C (46°F) | 0 mm |
| 1973 | 7°C (45°F) | 5°C (41°F) | 0 mm |
| 1972 | 17°C (62°F) | 4°C (40°F) | 0 mm |
| 1971 | 22°C (72°F) | 12°C (54°F) | 0 mm |