Weather on August 31 in Sydney
Historical weather data for August 31 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
August 31st in Sydney, Australia typically brings mild summer weather, with average highs around 20°C and lows near 12°C. Over 55 years of records, the warmest August 31st was in 1995 (22°C average), while the coldest was 1981 (11°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 31st dates historically, with the wettest August 31st recording 12.74" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for August 31st in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 18°C (64°F) | 10°C (50°F) | -- |
| 2024 | 24°C (75°F) | 18°C (64°F) | -- |
| 2023 | 18°C (65°F) | 13°C (56°F) | -- |
| 2022 | 18°C (64°F) | 14°C (57°F) | -- |
| 2021 | 19°C (67°F) | 12°C (53°F) | -- |
| 2020 | -- | 13°C (55°F) | 1 mm |
| 2019 | 17°C (63°F) | 12°C (53°F) | 57 mm |
| 2018 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 2017 | 18°C (64°F) | 8°C (46°F) | 0 mm |
| 2016 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 2015 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 2014 | 21°C (69°F) | 12°C (53°F) | 8 mm |
| 2013 | 24°C (76°F) | 15°C (59°F) | 0 mm |
| 2012 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 2011 | 19°C (67°F) | 12°C (53°F) | 0 mm |
| 2010 | 20°C (68°F) | 12°C (53°F) | 0 mm |
| 2009 | 22°C (71°F) | 9°C (49°F) | 0 mm |
| 2008 | 19°C (67°F) | 12°C (54°F) | 30 mm |
| 2007 | 26°C (79°F) | 17°C (62°F) | 0 mm |
| 2006 | 21°C (70°F) | 13°C (55°F) | 11 mm |
| 2005 | 26°C (78°F) | 17°C (62°F) | 0 mm |
| 2004 | 19°C (67°F) | 13°C (56°F) | 0 mm |
| 2003 | 19°C (66°F) | 9°C (49°F) | 0 mm |
| 2002 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 2001 | 18°C (64°F) | 8°C (47°F) | 8 mm |
| 2000 | 22°C (72°F) | 10°C (50°F) | 2 mm |
| 1999 | 21°C (69°F) | 12°C (54°F) | 0 mm |
| 1998 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 1997 | 23°C (73°F) | 12°C (53°F) | 0 mm |
| 1996 | 16°C (61°F) | 12°C (54°F) | 324 mm |
| 1995 | 30°C (86°F) | 14°C (58°F) | 0 mm |
| 1994 | 18°C (65°F) | 12°C (54°F) | 0 mm |
| 1993 | 21°C (69°F) | 12°C (54°F) | 0 mm |
| 1992 | 19°C (67°F) | 12°C (54°F) | 0 mm |
| 1991 | 17°C (62°F) | 8°C (46°F) | 2 mm |
| 1990 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1989 | 21°C (69°F) | 7°C (44°F) | 0 mm |
| 1988 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 1987 | 18°C (64°F) | 13°C (56°F) | 18 mm |
| 1986 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1985 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1984 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 1983 | 22°C (71°F) | 11°C (51°F) | 0 mm |
| 1982 | 19°C (66°F) | 16°C (61°F) | 0 mm |
| 1981 | 13°C (56°F) | 9°C (48°F) | 0 mm |
| 1980 | 24°C (76°F) | 17°C (63°F) | 0 mm |
| 1979 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 1978 | 16°C (61°F) | 13°C (55°F) | 5 mm |
| 1977 | 15°C (59°F) | 13°C (56°F) | 1 mm |
| 1976 | 16°C (60°F) | 13°C (56°F) | 1 mm |
| 1975 | 18°C (64°F) | 9°C (48°F) | 0 mm |
| 1974 | 19°C (66°F) | 12°C (53°F) | 0 mm |
| 1973 | 17°C (63°F) | 9°C (48°F) | 0 mm |
| 1972 | 22°C (71°F) | 9°C (48°F) | 0 mm |
| 1971 | 19°C (67°F) | 8°C (47°F) | 0 mm |