Weather on August 17 in Sydney
Historical weather data for August 17 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
August 17th in Sydney, Australia typically brings mild summer weather, with average highs around 19°C and lows near 10°C. Over 55 years of records, the warmest August 17th was in 1988 (21°C average), while the coldest was 1991 (11°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 17th dates historically, with the wettest August 17th recording 2.96" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 16°C (61°F) | 8°C (47°F) | -- |
| 2024 | 20°C (68°F) | 14°C (58°F) | -- |
| 2023 | 19°C (67°F) | 10°C (50°F) | -- |
| 2022 | 17°C (63°F) | 11°C (51°F) | -- |
| 2021 | 17°C (62°F) | 12°C (54°F) | -- |
| 2020 | 21°C (69°F) | 11°C (51°F) | 0 mm |
| 2019 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 2018 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 2017 | 22°C (72°F) | 11°C (52°F) | 0 mm |
| 2016 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 2015 | 21°C (69°F) | 9°C (49°F) | 14 mm |
| 2014 | 18°C (64°F) | 11°C (51°F) | 73 mm |
| 2013 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 2012 | 22°C (72°F) | 11°C (52°F) | 0 mm |
| 2011 | 17°C (62°F) | 10°C (50°F) | 0 mm |
| 2010 | 18°C (64°F) | 8°C (46°F) | 0 mm |
| 2009 | 23°C (73°F) | 13°C (55°F) | 0 mm |
| 2008 | 17°C (62°F) | 7°C (44°F) | 0 mm |
| 2007 | 20°C (68°F) | 12°C (53°F) | 3 mm |
| 2006 | 26°C (78°F) | 12°C (53°F) | 0 mm |
| 2005 | 19°C (67°F) | 7°C (44°F) | 0 mm |
| 2004 | 18°C (64°F) | 9°C (49°F) | 51 mm |
| 2003 | 21°C (69°F) | 9°C (48°F) | 0 mm |
| 2002 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 2001 | 17°C (63°F) | 11°C (51°F) | 0 mm |
| 2000 | 16°C (60°F) | 6°C (43°F) | 12 mm |
| 1999 | 18°C (64°F) | 7°C (45°F) | 0 mm |
| 1998 | 16°C (60°F) | 13°C (55°F) | 75 mm |
| 1997 | 26°C (79°F) | 13°C (55°F) | 0 mm |
| 1996 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 1995 | 27°C (80°F) | 12°C (54°F) | 0 mm |
| 1994 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 1993 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 1992 | 26°C (78°F) | 11°C (51°F) | 0 mm |
| 1991 | 16°C (60°F) | 6°C (42°F) | 0 mm |
| 1990 | 18°C (64°F) | 9°C (48°F) | 0 mm |
| 1989 | 13°C (56°F) | 11°C (51°F) | 41 mm |
| 1988 | 26°C (79°F) | 14°C (58°F) | 0 mm |
| 1987 | 18°C (64°F) | 13°C (55°F) | 0 mm |
| 1986 | 19°C (67°F) | 11°C (51°F) | 0 mm |
| 1985 | 19°C (66°F) | 11°C (51°F) | 1 mm |
| 1984 | 17°C (62°F) | 11°C (51°F) | 0 mm |
| 1983 | 17°C (63°F) | 11°C (52°F) | 0 mm |
| 1982 | 17°C (62°F) | 9°C (48°F) | 8 mm |
| 1981 | 23°C (73°F) | 11°C (52°F) | 0 mm |
| 1980 | 17°C (63°F) | 9°C (49°F) | 3 mm |
| 1979 | 18°C (64°F) | 7°C (45°F) | 0 mm |
| 1978 | 14°C (58°F) | 9°C (48°F) | 0 mm |
| 1977 | 17°C (62°F) | 7°C (44°F) | 0 mm |
| 1976 | 24°C (75°F) | 9°C (49°F) | 0 mm |
| 1975 | 17°C (62°F) | 8°C (46°F) | 0 mm |
| 1974 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1973 | 20°C (68°F) | 12°C (53°F) | 1 mm |
| 1972 | 16°C (60°F) | 10°C (50°F) | 50 mm |
| 1971 | 16°C (61°F) | 6°C (42°F) | 0 mm |