Weather on August 20 in Sydney
Historical weather data for August 20 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
August 20th 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 20th was in 1999 (20°C average), while the coldest was 1996 (11°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 20th dates historically, with the wettest August 20th recording 10.56" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 20th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (64°F) | 11°C (52°F) | -- |
| 2024 | 19°C (66°F) | 12°C (54°F) | -- |
| 2023 | 21°C (69°F) | 12°C (53°F) | -- |
| 2022 | 18°C (64°F) | 11°C (51°F) | -- |
| 2021 | 20°C (68°F) | 12°C (54°F) | -- |
| 2020 | 18°C (65°F) | 12°C (53°F) | 0" |
| 2019 | 22°C (71°F) | 8°C (46°F) | 0" |
| 2018 | 16°C (61°F) | 8°C (46°F) | 0" |
| 2017 | 16°C (61°F) | 7°C (44°F) | 0.02" |
| 2016 | 18°C (64°F) | 11°C (52°F) | 0.04" |
| 2015 | 19°C (66°F) | 8°C (47°F) | 0" |
| 2014 | 17°C (63°F) | 9°C (49°F) | 0.82" |
| 2013 | 17°C (62°F) | 8°C (47°F) | 0" |
| 2012 | 18°C (64°F) | 8°C (46°F) | 0" |
| 2011 | 19°C (67°F) | 9°C (48°F) | 2.02" |
| 2010 | 19°C (67°F) | 11°C (52°F) | 0" |
| 2009 | 21°C (70°F) | 10°C (50°F) | 0" |
| 2008 | 19°C (67°F) | 8°C (47°F) | 0" |
| 2007 | 16°C (61°F) | 13°C (55°F) | 10.56" |
| 2006 | 21°C (70°F) | 8°C (47°F) | 0" |
| 2005 | 19°C (66°F) | 13°C (55°F) | 0.06" |
| 2004 | 20°C (68°F) | 8°C (47°F) | 0.02" |
| 2003 | 16°C (60°F) | 7°C (45°F) | 2.42" |
| 2002 | 21°C (69°F) | 9°C (48°F) | 0" |
| 2001 | 20°C (68°F) | 11°C (52°F) | 0" |
| 2000 | 20°C (68°F) | 10°C (50°F) | 0" |
| 1999 | 26°C (78°F) | 15°C (59°F) | 0" |
| 1998 | 18°C (65°F) | 11°C (52°F) | 2.14" |
| 1997 | 16°C (61°F) | 9°C (49°F) | 0.1" |
| 1996 | 17°C (62°F) | 6°C (42°F) | 0.62" |
| 1995 | 24°C (76°F) | 11°C (52°F) | 0" |
| 1994 | 16°C (60°F) | 8°C (46°F) | 0" |
| 1993 | 21°C (69°F) | 11°C (52°F) | 0" |
| 1992 | 17°C (63°F) | 11°C (51°F) | 0" |
| 1991 | 24°C (75°F) | 11°C (51°F) | 0" |
| 1990 | 17°C (63°F) | 9°C (48°F) | 0.2" |
| 1989 | 19°C (67°F) | 12°C (54°F) | 0" |
| 1988 | 21°C (69°F) | 9°C (49°F) | 0" |
| 1987 | 16°C (61°F) | 12°C (54°F) | 1.32" |
| 1986 | 20°C (68°F) | 7°C (45°F) | 0" |
| 1985 | 15°C (59°F) | 9°C (49°F) | 0" |
| 1984 | 17°C (63°F) | 12°C (53°F) | 0" |
| 1983 | 17°C (62°F) | 8°C (47°F) | 0.06" |
| 1982 | 21°C (70°F) | 9°C (48°F) | 0" |
| 1981 | 21°C (69°F) | 13°C (55°F) | 0" |
| 1980 | 21°C (70°F) | 11°C (52°F) | 0" |
| 1979 | 22°C (71°F) | 13°C (55°F) | 0" |
| 1978 | 19°C (66°F) | 8°C (47°F) | 1.16" |
| 1977 | 24°C (76°F) | 9°C (49°F) | 0" |
| 1976 | 21°C (69°F) | 9°C (48°F) | 0" |
| 1975 | 23°C (73°F) | 10°C (50°F) | 0" |
| 1974 | 20°C (68°F) | 9°C (49°F) | 0.06" |
| 1973 | 17°C (63°F) | 8°C (46°F) | 0" |
| 1972 | 18°C (65°F) | 8°C (47°F) | 0" |
| 1971 | 21°C (70°F) | 9°C (48°F) | 0" |