Weather on August 21 in Toronto
Historical weather data for August 21 in Toronto, Canada
Based on 54 years of data from TORONTO
About This Date
August 21st in Toronto, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 17°C. Over 54 years of records, the warmest August 21st was in 2021 (26°C average), while the coldest was 1982 (13°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 21st dates historically, with the wettest August 21st recording 3.88" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Toronto? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2024 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 2023 | 26°C (78°F) | 18°C (64°F) | 0 mm |
| 2022 | 26°C (79°F) | 19°C (67°F) | 26 mm |
| 2021 | 29°C (85°F) | 23°C (74°F) | 0 mm |
| 2020 | 30°C (86°F) | 18°C (64°F) | 2 mm |
| 2019 | 29°C (85°F) | 21°C (69°F) | 3 mm |
| 2018 | 26°C (78°F) | 20°C (68°F) | 99 mm |
| 2017 | 29°C (84°F) | 19°C (66°F) | 0 mm |
| 2016 | 27°C (81°F) | 17°C (63°F) | 5 mm |
| 2015 | 23°C (73°F) | 16°C (60°F) | 0 mm |
| 2014 | 26°C (79°F) | 18°C (64°F) | 17 mm |
| 2013 | 27°C (80°F) | 18°C (64°F) | 0 mm |
| 2012 | 24°C (76°F) | 13°C (56°F) | 0 mm |
| 2011 | 23°C (73°F) | 16°C (60°F) | 52 mm |
| 2010 | 23°C (74°F) | 20°C (68°F) | 64 mm |
| 2009 | 25°C (77°F) | 20°C (68°F) | 0 mm |
| 2008 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 2007 | 18°C (64°F) | 16°C (61°F) | 0 mm |
| 2006 | 27°C (80°F) | 14°C (58°F) | 0 mm |
| 2005 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 2004 | 21°C (70°F) | 13°C (55°F) | 0 mm |
| 2003 | 28°C (83°F) | 19°C (66°F) | 10 mm |
| 2002 | 24°C (76°F) | 17°C (62°F) | 0 mm |
| 2001 | 28°C (82°F) | 17°C (63°F) | 0 mm |
| 2000 | 21°C (69°F) | 12°C (53°F) | 0 mm |
| 1999 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1998 | 26°C (78°F) | 19°C (66°F) | 1 mm |
| 1997 | 19°C (67°F) | 15°C (59°F) | 6 mm |
| 1996 | 29°C (85°F) | 19°C (67°F) | 0 mm |
| 1995 | 31°C (87°F) | 18°C (64°F) | 2 mm |
| 1994 | 26°C (79°F) | 17°C (63°F) | 2 mm |
| 1993 | 20°C (68°F) | 14°C (58°F) | 0 mm |
| 1992 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 1991 | 25°C (77°F) | 16°C (61°F) | 28 mm |
| 1990 | 22°C (71°F) | 16°C (61°F) | 0 mm |
| 1989 | 29°C (84°F) | 19°C (67°F) | 0 mm |
| 1988 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 1987 | 28°C (83°F) | 16°C (61°F) | 0 mm |
| 1986 | 26°C (78°F) | 19°C (67°F) | 7 mm |
| 1985 | 21°C (69°F) | 15°C (59°F) | 0 mm |
| 1984 | 25°C (77°F) | 16°C (61°F) | 0 mm |
| 1983 | 24°C (76°F) | 17°C (63°F) | 3 mm |
| 1982 | 17°C (62°F) | 9°C (49°F) | 2 mm |
| 1981 | 26°C (79°F) | 16°C (60°F) | 0 mm |
| 1980 | 24°C (76°F) | 20°C (68°F) | 0 mm |
| 1979 | 24°C (76°F) | 14°C (57°F) | 0 mm |
| 1978 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1977 | 18°C (65°F) | 13°C (55°F) | 44 mm |
| 1976 | 29°C (84°F) | 21°C (69°F) | 0 mm |
| 1975 | 21°C (70°F) | 13°C (55°F) | 7 mm |
| 1974 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 1973 | 23°C (73°F) | 18°C (64°F) | -- |
| 1972 | 28°C (82°F) | 17°C (62°F) | 0 mm |
| 1971 | 28°C (82°F) | 19°C (66°F) | 0 mm |