Weather on December 30 in Sydney
Historical weather data for December 30 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
December 30th in Sydney, Australia typically brings pleasant winter weather, with average highs around 26°C and lows near 19°C. Over 55 years of records, the warmest December 30th was in 2017 (29°C average), while the coldest was 2004 (18°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 30th dates historically, with the wettest December 30th recording 3.12" 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 December 30th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 21°C (70°F) | 17°C (62°F) | -- |
| 2024 | 24°C (75°F) | 22°C (71°F) | -- |
| 2023 | 23°C (74°F) | 21°C (69°F) | -- |
| 2022 | 23°C (73°F) | 19°C (66°F) | -- |
| 2021 | 24°C (75°F) | 16°C (61°F) | -- |
| 2020 | 22°C (72°F) | 18°C (64°F) | -- |
| 2019 | 27°C (81°F) | 20°C (68°F) | 0 mm |
| 2018 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 2017 | 36°C (97°F) | 22°C (72°F) | 10 mm |
| 2016 | 33°C (92°F) | 24°C (75°F) | 0 mm |
| 2015 | 26°C (78°F) | 15°C (59°F) | 0 mm |
| 2014 | 28°C (83°F) | 19°C (67°F) | 0 mm |
| 2013 | 24°C (76°F) | 19°C (66°F) | 0 mm |
| 2012 | 24°C (76°F) | 18°C (64°F) | 0 mm |
| 2011 | 25°C (77°F) | 17°C (63°F) | 2 mm |
| 2010 | 27°C (80°F) | 20°C (68°F) | 0 mm |
| 2009 | 25°C (77°F) | 20°C (68°F) | 0 mm |
| 2008 | 28°C (82°F) | 18°C (65°F) | 5 mm |
| 2007 | 26°C (78°F) | 19°C (66°F) | 0 mm |
| 2006 | 26°C (78°F) | 19°C (66°F) | 9 mm |
| 2005 | 30°C (86°F) | 19°C (66°F) | 0 mm |
| 2004 | 23°C (73°F) | 13°C (56°F) | 8 mm |
| 2003 | 27°C (81°F) | 18°C (65°F) | 0 mm |
| 2002 | 27°C (81°F) | 18°C (65°F) | 0 mm |
| 2001 | 29°C (84°F) | 19°C (67°F) | 0 mm |
| 2000 | 24°C (76°F) | 19°C (66°F) | 0 mm |
| 1999 | 23°C (74°F) | 16°C (60°F) | 7 mm |
| 1998 | 27°C (81°F) | 21°C (70°F) | 0 mm |
| 1997 | 26°C (78°F) | 20°C (68°F) | 0 mm |
| 1996 | 21°C (69°F) | 18°C (64°F) | 0 mm |
| 1995 | 23°C (74°F) | 21°C (69°F) | 0 mm |
| 1994 | 25°C (77°F) | 18°C (65°F) | 0 mm |
| 1993 | 26°C (78°F) | 18°C (64°F) | 0 mm |
| 1992 | 25°C (77°F) | 18°C (64°F) | 0 mm |
| 1991 | 20°C (68°F) | 18°C (65°F) | 2 mm |
| 1990 | 27°C (80°F) | 22°C (72°F) | 0 mm |
| 1989 | 25°C (77°F) | 18°C (64°F) | 0 mm |
| 1988 | 24°C (76°F) | 18°C (65°F) | 0 mm |
| 1987 | 24°C (76°F) | 17°C (63°F) | 1 mm |
| 1986 | 24°C (76°F) | 21°C (70°F) | 0 mm |
| 1985 | 27°C (80°F) | 19°C (66°F) | 0 mm |
| 1984 | 23°C (74°F) | 18°C (64°F) | 46 mm |
| 1983 | 26°C (79°F) | 17°C (63°F) | 0 mm |
| 1982 | 27°C (81°F) | 21°C (69°F) | 0 mm |
| 1981 | 24°C (76°F) | 21°C (69°F) | 2 mm |
| 1980 | 21°C (70°F) | 18°C (65°F) | 79 mm |
| 1979 | 25°C (77°F) | 20°C (68°F) | 0 mm |
| 1978 | 23°C (74°F) | 16°C (60°F) | 0 mm |
| 1977 | 24°C (76°F) | 18°C (64°F) | 0 mm |
| 1976 | 25°C (77°F) | 20°C (68°F) | 0 mm |
| 1975 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 1974 | 24°C (76°F) | 18°C (64°F) | 0 mm |
| 1973 | 29°C (84°F) | 21°C (70°F) | 0 mm |
| 1972 | 31°C (87°F) | 21°C (70°F) | 0 mm |
| 1971 | 30°C (86°F) | 17°C (62°F) | 0 mm |