Weather on August 15 in Calgary
Historical weather data for August 15 in Calgary, Canada
Based on 55 years of data from CALGARY GLENMORE DAM
About This Date
August 15th in Calgary, Canada typically brings pleasant summer weather, with average highs around 23°C and lows near 9°C. Over 55 years of records, the warmest August 15th was in 2023 (24°C average), while the coldest was 1985 (8°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 15th dates historically, with the wettest August 15th recording 1.17" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 23°C (73°F) | 6°C (43°F) | -- |
| 2025 | 21°C (69°F) | 11°C (51°F) | -- |
| 2023 | 33°C (92°F) | 15°C (59°F) | 0 mm |
| 2022 | 27°C (80°F) | 11°C (51°F) | 0 mm |
| 2021 | 32°C (89°F) | 14°C (57°F) | 0 mm |
| 2020 | 28°C (82°F) | 12°C (53°F) | 0 mm |
| 2019 | 24°C (76°F) | 9°C (49°F) | 0 mm |
| 2018 | 25°C (77°F) | 12°C (54°F) | 0 mm |
| 2017 | 21°C (69°F) | 6°C (43°F) | 0 mm |
| 2016 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 2015 | 13°C (55°F) | 9°C (49°F) | 24 mm |
| 2014 | 24°C (76°F) | 13°C (55°F) | 0 mm |
| 2013 | 29°C (85°F) | 13°C (55°F) | 0 mm |
| 2012 | 17°C (63°F) | 8°C (47°F) | 0 mm |
| 2011 | 16°C (60°F) | 7°C (44°F) | 7 mm |
| 2010 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 2009 | 14°C (57°F) | 7°C (45°F) | 6 mm |
| 2008 | 29°C (84°F) | 11°C (51°F) | 0 mm |
| 2007 | 24°C (75°F) | 6°C (42°F) | 0 mm |
| 2006 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 2005 | 13°C (56°F) | 7°C (45°F) | 4 mm |
| 2004 | 24°C (76°F) | 13°C (56°F) | 8 mm |
| 2003 | 33°C (92°F) | 8°C (46°F) | 0 mm |
| 2002 | 13°C (56°F) | 7°C (45°F) | 0 mm |
| 2001 | 30°C (86°F) | 10°C (50°F) | 0 mm |
| 2000 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 1999 | 17°C (62°F) | 7°C (45°F) | 3 mm |
| 1998 | 23°C (73°F) | 14°C (57°F) | 11 mm |
| 1997 | 13°C (56°F) | 8°C (46°F) | 30 mm |
| 1996 | 25°C (77°F) | 11°C (52°F) | 0 mm |
| 1995 | 22°C (71°F) | 9°C (48°F) | 0 mm |
| 1994 | 27°C (81°F) | 15°C (59°F) | 0 mm |
| 1993 | 14°C (58°F) | 7°C (45°F) | 12 mm |
| 1992 | 29°C (84°F) | 11°C (52°F) | 0 mm |
| 1991 | 23°C (74°F) | 12°C (54°F) | 1 mm |
| 1990 | 26°C (79°F) | 11°C (51°F) | 0 mm |
| 1989 | 23°C (73°F) | 13°C (55°F) | 5 mm |
| 1988 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 1987 | 18°C (65°F) | 6°C (42°F) | 4 mm |
| 1986 | 20°C (68°F) | 12°C (53°F) | 0 mm |
| 1985 | 9°C (49°F) | 6°C (42°F) | 24 mm |
| 1984 | 27°C (80°F) | 8°C (46°F) | 0 mm |
| 1983 | 28°C (83°F) | 9°C (48°F) | 0 mm |
| 1982 | 22°C (71°F) | 2°C (36°F) | 0 mm |
| 1981 | 29°C (85°F) | 12°C (54°F) | 13 mm |
| 1980 | 23°C (73°F) | 7°C (44°F) | 0 mm |
| 1979 | 25°C (77°F) | 8°C (46°F) | 1 mm |
| 1978 | 20°C (68°F) | 8°C (46°F) | 11 mm |
| 1977 | 19°C (67°F) | 3°C (37°F) | 0 mm |
| 1976 | 22°C (72°F) | 9°C (49°F) | 17 mm |
| 1975 | 24°C (76°F) | 8°C (47°F) | 0 mm |
| 1974 | 22°C (72°F) | 3°C (38°F) | 0 mm |
| 1973 | 24°C (75°F) | 10°C (50°F) | 0 mm |
| 1972 | 24°C (75°F) | 11°C (52°F) | 1 mm |
| 1971 | 28°C (82°F) | 10°C (50°F) | 0 mm |