Weather on August 17 in Calgary
Historical weather data for August 17 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
August 17th in Calgary, Canada typically brings pleasant summer weather, with average highs around 23°C and lows near 9°C. Over 54 years of records, the warmest August 17th was in 2023 (24°C average), while the coldest was 2005 (8°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 37% of August 17th dates historically, with the wettest August 17th recording 3.07" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 24°C (76°F) | 10°C (50°F) | -- |
| 2023 | 34°C (93°F) | 13°C (56°F) | 0 mm |
| 2022 | 27°C (81°F) | 13°C (56°F) | 0 mm |
| 2021 | 12°C (53°F) | 9°C (48°F) | 78 mm |
| 2020 | 33°C (91°F) | 14°C (58°F) | 0 mm |
| 2019 | 18°C (65°F) | 6°C (43°F) | 0 mm |
| 2018 | 28°C (82°F) | 12°C (54°F) | 0 mm |
| 2017 | 25°C (77°F) | 9°C (49°F) | 0 mm |
| 2016 | 21°C (69°F) | 14°C (57°F) | -- |
| 2015 | 21°C (70°F) | 6°C (43°F) | 11 mm |
| 2014 | 23°C (74°F) | 16°C (60°F) | 0 mm |
| 2013 | 28°C (82°F) | 12°C (53°F) | 2 mm |
| 2012 | 26°C (79°F) | 7°C (44°F) | 0 mm |
| 2011 | 23°C (73°F) | 8°C (46°F) | 0 mm |
| 2010 | 17°C (62°F) | 12°C (53°F) | 0 mm |
| 2009 | 24°C (75°F) | 9°C (48°F) | 0 mm |
| 2008 | 31°C (87°F) | 14°C (58°F) | 6 mm |
| 2007 | 22°C (71°F) | 8°C (46°F) | 0 mm |
| 2006 | 24°C (76°F) | 6°C (42°F) | 0 mm |
| 2005 | 10°C (50°F) | 5°C (41°F) | 50 mm |
| 2004 | 26°C (78°F) | 13°C (55°F) | 0 mm |
| 2003 | 28°C (82°F) | 11°C (51°F) | 0 mm |
| 2002 | 20°C (68°F) | 3°C (38°F) | 6 mm |
| 2001 | 34°C (93°F) | 9°C (49°F) | 0 mm |
| 2000 | 26°C (79°F) | 8°C (47°F) | 0 mm |
| 1999 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 1998 | 22°C (71°F) | 8°C (46°F) | 0 mm |
| 1997 | 19°C (66°F) | 8°C (46°F) | 1 mm |
| 1996 | 20°C (68°F) | 7°C (44°F) | 0 mm |
| 1995 | 17°C (63°F) | 6°C (43°F) | 20 mm |
| 1994 | 18°C (65°F) | 10°C (50°F) | 48 mm |
| 1993 | 21°C (70°F) | 12°C (53°F) | 1 mm |
| 1992 | 29°C (84°F) | 9°C (49°F) | 0 mm |
| 1991 | 29°C (84°F) | 13°C (56°F) | 1 mm |
| 1990 | 18°C (64°F) | 13°C (55°F) | 34 mm |
| 1989 | 16°C (61°F) | 7°C (45°F) | 1 mm |
| 1988 | 21°C (69°F) | 11°C (52°F) | 2 mm |
| 1987 | 15°C (59°F) | 7°C (45°F) | 9 mm |
| 1986 | 27°C (80°F) | 4°C (40°F) | 0 mm |
| 1985 | 22°C (71°F) | 4°C (39°F) | 0 mm |
| 1984 | 30°C (86°F) | 12°C (54°F) | 0 mm |
| 1983 | 27°C (81°F) | 8°C (47°F) | 50 mm |
| 1982 | 27°C (80°F) | 8°C (47°F) | 0 mm |
| 1981 | 25°C (77°F) | 12°C (53°F) | 3 mm |
| 1980 | 21°C (69°F) | 8°C (47°F) | 10 mm |
| 1979 | 27°C (81°F) | 11°C (51°F) | 0 mm |
| 1978 | 16°C (61°F) | 7°C (45°F) | 0 mm |
| 1977 | 26°C (78°F) | 7°C (44°F) | 0 mm |
| 1976 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1975 | 12°C (53°F) | 8°C (47°F) | 13 mm |
| 1974 | 24°C (76°F) | 9°C (49°F) | 0 mm |
| 1973 | 22°C (71°F) | 7°C (45°F) | 0 mm |
| 1972 | 22°C (71°F) | 8°C (46°F) | 1 mm |
| 1971 | 22°C (72°F) | 7°C (44°F) | 0 mm |