Weather on August 15 in Sydney
Historical weather data for August 15 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
August 15th in Sydney, Australia typically brings mild summer weather, with average highs around 18°C and lows near 9°C. Over 55 years of records, the warmest August 15th was in 2018 (18°C average), while the coldest was 1971 (11°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 15th dates historically, with the wettest August 15th recording 5.42" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 19°C (66°F) | 12°C (54°F) | -- |
| 2024 | 18°C (64°F) | 15°C (59°F) | -- |
| 2023 | 16°C (60°F) | 11°C (51°F) | -- |
| 2022 | 17°C (63°F) | 12°C (53°F) | -- |
| 2021 | 20°C (68°F) | 11°C (52°F) | -- |
| 2020 | 20°C (68°F) | 12°C (54°F) | 10 mm |
| 2019 | 21°C (70°F) | 7°C (44°F) | 0 mm |
| 2018 | 25°C (77°F) | 12°C (53°F) | 0 mm |
| 2017 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 2016 | 19°C (67°F) | 9°C (48°F) | 0 mm |
| 2015 | 18°C (65°F) | 8°C (47°F) | 0 mm |
| 2014 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 2013 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 2012 | 22°C (72°F) | 10°C (50°F) | 0 mm |
| 2011 | 18°C (64°F) | 9°C (49°F) | 2 mm |
| 2010 | 20°C (68°F) | 13°C (55°F) | 0 mm |
| 2009 | 22°C (72°F) | 9°C (48°F) | 0 mm |
| 2008 | 19°C (66°F) | 9°C (49°F) | 0 mm |
| 2007 | 17°C (63°F) | 9°C (48°F) | 6 mm |
| 2006 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 2005 | 23°C (73°F) | 9°C (49°F) | 0 mm |
| 2004 | 16°C (61°F) | 8°C (46°F) | 3 mm |
| 2003 | 17°C (62°F) | 8°C (46°F) | 0 mm |
| 2002 | 17°C (62°F) | 7°C (45°F) | 0 mm |
| 2001 | 23°C (74°F) | 9°C (49°F) | 0 mm |
| 2000 | 16°C (61°F) | 9°C (49°F) | 0 mm |
| 1999 | 16°C (60°F) | 7°C (44°F) | 138 mm |
| 1998 | 16°C (60°F) | 12°C (53°F) | 6 mm |
| 1997 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 1996 | 17°C (63°F) | 14°C (58°F) | 0 mm |
| 1995 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1994 | 18°C (64°F) | 7°C (44°F) | 0 mm |
| 1993 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 1992 | 21°C (70°F) | 13°C (55°F) | 0 mm |
| 1991 | 18°C (65°F) | 11°C (51°F) | 0 mm |
| 1990 | 17°C (62°F) | 11°C (52°F) | 4 mm |
| 1989 | 16°C (61°F) | 7°C (45°F) | 0 mm |
| 1988 | 20°C (68°F) | 9°C (48°F) | 0 mm |
| 1987 | 21°C (70°F) | 14°C (58°F) | 2 mm |
| 1986 | 19°C (66°F) | 12°C (54°F) | 12 mm |
| 1985 | 17°C (63°F) | 8°C (46°F) | 0 mm |
| 1984 | 16°C (61°F) | 7°C (45°F) | 0 mm |
| 1983 | 18°C (65°F) | 10°C (50°F) | 0 mm |
| 1982 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1981 | 18°C (65°F) | 11°C (51°F) | 0 mm |
| 1980 | 16°C (60°F) | 13°C (55°F) | 0 mm |
| 1979 | 19°C (67°F) | 6°C (42°F) | 0 mm |
| 1978 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 1977 | 18°C (64°F) | 5°C (41°F) | 0 mm |
| 1976 | 16°C (61°F) | 7°C (44°F) | 7 mm |
| 1975 | 17°C (62°F) | 7°C (45°F) | 0 mm |
| 1974 | 16°C (60°F) | 8°C (46°F) | 0 mm |
| 1973 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1972 | 16°C (60°F) | 10°C (50°F) | 0 mm |
| 1971 | 15°C (59°F) | 7°C (44°F) | 1 mm |