Weather on August 21 in Brisbane
Historical weather data for August 21 in Brisbane, Australia
Based on 55 years of data from BRISBANE REGIONAL OFFICE
About This Date
August 21st in Brisbane, Australia typically brings pleasant summer weather, with average highs around 23°C and lows near 11°C. Over 55 years of records, the warmest August 21st was in 1981 (21°C average), while the coldest was 1996 (13°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 21st dates historically, with the wettest August 21st recording 1.2" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Brisbane? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 21°C (69°F) | 13°C (56°F) | 11 mm |
| 2024 | 25°C (77°F) | 14°C (57°F) | 0 mm |
| 2023 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 2022 | 22°C (71°F) | 10°C (50°F) | 0 mm |
| 2021 | 27°C (80°F) | 12°C (54°F) | 0 mm |
| 2020 | 23°C (74°F) | 9°C (49°F) | -- |
| 2019 | 26°C (79°F) | 8°C (46°F) | 0 mm |
| 2018 | 24°C (75°F) | 7°C (44°F) | 0 mm |
| 2017 | 22°C (72°F) | 8°C (47°F) | 0 mm |
| 2016 | 23°C (73°F) | 9°C (48°F) | 11 mm |
| 2015 | 22°C (72°F) | 16°C (60°F) | 1 mm |
| 2014 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 2013 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 2012 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 2011 | 22°C (71°F) | 12°C (54°F) | 8 mm |
| 2010 | 22°C (71°F) | 7°C (44°F) | 12 mm |
| 2009 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 2008 | 21°C (69°F) | 9°C (49°F) | 0 mm |
| 2007 | 20°C (68°F) | 11°C (51°F) | 4 mm |
| 2006 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 2005 | 24°C (75°F) | 8°C (47°F) | 0 mm |
| 2004 | 24°C (76°F) | 10°C (50°F) | 0 mm |
| 2003 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 2002 | 17°C (63°F) | 13°C (55°F) | 30 mm |
| 2001 | 25°C (77°F) | 5°C (41°F) | 0 mm |
| 2000 | 25°C (77°F) | 9°C (48°F) | 0 mm |
| 1999 | 23°C (74°F) | 8°C (47°F) | 0 mm |
| 1998 | 22°C (72°F) | 17°C (62°F) | 1 mm |
| 1997 | 21°C (70°F) | 13°C (56°F) | 0 mm |
| 1996 | 20°C (68°F) | 7°C (44°F) | 0 mm |
| 1995 | 24°C (75°F) | 9°C (48°F) | 0 mm |
| 1994 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1993 | 25°C (77°F) | 8°C (47°F) | 0 mm |
| 1992 | 21°C (70°F) | 7°C (44°F) | 0 mm |
| 1991 | 26°C (79°F) | 14°C (58°F) | 0 mm |
| 1990 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1989 | 22°C (72°F) | 9°C (49°F) | 0 mm |
| 1988 | 24°C (75°F) | 17°C (62°F) | 0 mm |
| 1987 | 22°C (71°F) | 13°C (56°F) | 0 mm |
| 1986 | 19°C (67°F) | 10°C (50°F) | 0 mm |
| 1985 | 20°C (68°F) | 11°C (52°F) | 0 mm |
| 1984 | 21°C (69°F) | 13°C (56°F) | 20 mm |
| 1983 | 20°C (68°F) | 9°C (49°F) | 0 mm |
| 1982 | 21°C (70°F) | 13°C (55°F) | 4 mm |
| 1981 | 28°C (83°F) | 14°C (57°F) | 0 mm |
| 1980 | 25°C (77°F) | 16°C (60°F) | 2 mm |
| 1979 | 28°C (82°F) | 13°C (55°F) | 0 mm |
| 1978 | 23°C (73°F) | 12°C (53°F) | 0 mm |
| 1977 | 26°C (78°F) | 12°C (53°F) | 0 mm |
| 1976 | 22°C (72°F) | 10°C (50°F) | 0 mm |
| 1975 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 1974 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 1973 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 1972 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1971 | 20°C (68°F) | 12°C (54°F) | 0 mm |