Weather on August 11 in Sydney
Historical weather data for August 11 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
August 11th in Sydney, Australia typically brings mild summer weather, with average highs around 19°C and lows near 9°C. Over 55 years of records, the warmest August 11th was in 2007 (21°C average), while the coldest was 1973 (10°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 11th dates historically, with the wettest August 11th recording 2.34" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for August 11th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 15°C (59°F) | 11°C (51°F) | -- |
| 2024 | 18°C (64°F) | 13°C (55°F) | -- |
| 2023 | 18°C (64°F) | 12°C (53°F) | -- |
| 2022 | 17°C (62°F) | 11°C (52°F) | -- |
| 2021 | 23°C (74°F) | 13°C (55°F) | -- |
| 2020 | 18°C (65°F) | 11°C (51°F) | 4 mm |
| 2019 | 16°C (61°F) | 9°C (48°F) | 0 mm |
| 2018 | 26°C (78°F) | 10°C (50°F) | 0 mm |
| 2017 | 26°C (79°F) | 12°C (53°F) | 0 mm |
| 2016 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 2015 | 21°C (70°F) | 10°C (50°F) | 0 mm |
| 2014 | 14°C (58°F) | 8°C (47°F) | 0 mm |
| 2013 | 22°C (71°F) | 9°C (48°F) | 0 mm |
| 2012 | 16°C (60°F) | 10°C (50°F) | 8 mm |
| 2011 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 2010 | 18°C (64°F) | 12°C (54°F) | 12 mm |
| 2009 | 17°C (62°F) | 9°C (48°F) | 0 mm |
| 2008 | 16°C (61°F) | 7°C (45°F) | 1 mm |
| 2007 | 26°C (78°F) | 16°C (61°F) | 0 mm |
| 2006 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 2005 | 14°C (57°F) | 6°C (43°F) | 0 mm |
| 2004 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 2003 | 14°C (58°F) | 8°C (46°F) | 3 mm |
| 2002 | 27°C (80°F) | 12°C (53°F) | 0 mm |
| 2001 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 2000 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 1999 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 1998 | 22°C (71°F) | 9°C (49°F) | 0 mm |
| 1997 | 19°C (67°F) | 6°C (43°F) | 0 mm |
| 1996 | 21°C (69°F) | 7°C (45°F) | 0 mm |
| 1995 | 18°C (65°F) | 6°C (43°F) | 0 mm |
| 1994 | 19°C (67°F) | 7°C (45°F) | 0 mm |
| 1993 | 19°C (67°F) | 11°C (51°F) | 6 mm |
| 1992 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 1991 | 19°C (67°F) | 7°C (45°F) | 0 mm |
| 1990 | 17°C (63°F) | 8°C (46°F) | 0 mm |
| 1989 | 15°C (59°F) | 9°C (48°F) | 1 mm |
| 1988 | 18°C (64°F) | 7°C (45°F) | 0 mm |
| 1987 | 17°C (62°F) | 13°C (56°F) | 59 mm |
| 1986 | 16°C (60°F) | 6°C (43°F) | 0 mm |
| 1985 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 1984 | 17°C (62°F) | 8°C (47°F) | 5 mm |
| 1983 | 18°C (65°F) | 8°C (47°F) | 0 mm |
| 1982 | 21°C (69°F) | 10°C (50°F) | 0 mm |
| 1981 | 16°C (61°F) | 8°C (47°F) | 0 mm |
| 1980 | 25°C (77°F) | 9°C (49°F) | 0 mm |
| 1979 | 16°C (61°F) | 10°C (50°F) | 0 mm |
| 1978 | 17°C (62°F) | 7°C (44°F) | 0 mm |
| 1977 | 24°C (76°F) | 7°C (44°F) | 0 mm |
| 1976 | 17°C (62°F) | 8°C (46°F) | 0 mm |
| 1975 | 19°C (67°F) | 11°C (51°F) | 11 mm |
| 1974 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 1973 | 12°C (53°F) | 8°C (47°F) | 26 mm |
| 1972 | 15°C (59°F) | 10°C (50°F) | 1 mm |
| 1971 | 18°C (65°F) | 9°C (48°F) | 0 mm |