Weather on January 21 in Sydney
Historical weather data for January 21 in Sydney, Australia
Based on 56 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
January 21st in Sydney, Australia typically brings warm winter weather, with average highs around 27°C and lows near 20°C. Over 56 years of records, the warmest January 21st was in 2007 (29°C average), while the coldest was 1971 (19°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 38% of January 21st dates historically, with the wettest January 21st recording 6.88" 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 January 21st in Sydney? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | 23°C (73°F) | 19°C (66°F) | -- |
| 2025 | 24°C (75°F) | 18°C (64°F) | -- |
| 2024 | 31°C (87°F) | 22°C (71°F) | -- |
| 2023 | -- | 18°C (64°F) | -- |
| 2022 | 23°C (73°F) | 19°C (67°F) | -- |
| 2021 | 23°C (73°F) | 17°C (63°F) | -- |
| 2020 | 32°C (90°F) | 20°C (68°F) | 0.26" |
| 2019 | 27°C (80°F) | 22°C (71°F) | 0.04" |
| 2018 | 27°C (81°F) | 19°C (67°F) | 0" |
| 2017 | 27°C (81°F) | 21°C (69°F) | 0.78" |
| 2016 | 33°C (92°F) | 23°C (74°F) | 0" |
| 2015 | 28°C (82°F) | 19°C (67°F) | 1.8" |
| 2014 | 25°C (77°F) | 20°C (68°F) | 0.5" |
| 2013 | 27°C (80°F) | 21°C (69°F) | 0.02" |
| 2012 | 25°C (77°F) | 22°C (71°F) | 0" |
| 2011 | 27°C (80°F) | 21°C (69°F) | 0.56" |
| 2010 | 27°C (81°F) | 19°C (67°F) | 0" |
| 2009 | 31°C (88°F) | 21°C (70°F) | 0.16" |
| 2008 | 23°C (73°F) | 20°C (68°F) | 0.04" |
| 2007 | 39°C (102°F) | 21°C (69°F) | 0" |
| 2006 | 28°C (83°F) | 21°C (69°F) | 0" |
| 2005 | 28°C (83°F) | 18°C (64°F) | 1.34" |
| 2004 | 34°C (93°F) | 21°C (70°F) | 0" |
| 2003 | 28°C (82°F) | 20°C (68°F) | 0" |
| 2002 | 29°C (84°F) | 22°C (71°F) | 0" |
| 2001 | 28°C (82°F) | 20°C (68°F) | 0" |
| 2000 | 33°C (91°F) | 21°C (69°F) | 0" |
| 1999 | 22°C (71°F) | 19°C (66°F) | 2.3" |
| 1998 | 25°C (77°F) | 21°C (69°F) | 0.48" |
| 1997 | 28°C (82°F) | 18°C (65°F) | 0" |
| 1996 | 22°C (71°F) | 19°C (67°F) | 0.5" |
| 1995 | 22°C (71°F) | 19°C (67°F) | 1.52" |
| 1994 | 29°C (85°F) | 20°C (68°F) | 0" |
| 1993 | 29°C (85°F) | 23°C (73°F) | 0" |
| 1992 | 30°C (86°F) | 23°C (73°F) | 0" |
| 1991 | 27°C (80°F) | 22°C (72°F) | 0.3" |
| 1990 | 23°C (73°F) | 19°C (67°F) | 1.02" |
| 1989 | 24°C (76°F) | 19°C (66°F) | 0.2" |
| 1988 | 35°C (95°F) | 23°C (74°F) | 0" |
| 1987 | 27°C (80°F) | 20°C (68°F) | 0" |
| 1986 | 26°C (79°F) | 21°C (70°F) | 0" |
| 1985 | 26°C (78°F) | 18°C (64°F) | 0" |
| 1984 | 26°C (78°F) | 19°C (67°F) | 0" |
| 1983 | 27°C (80°F) | 19°C (67°F) | 0" |
| 1982 | 29°C (85°F) | 22°C (72°F) | 0" |
| 1981 | 28°C (83°F) | 22°C (71°F) | 0.16" |
| 1980 | 24°C (76°F) | 18°C (65°F) | 0.86" |
| 1979 | 28°C (83°F) | 20°C (68°F) | 0" |
| 1978 | 26°C (78°F) | 18°C (65°F) | 0" |
| 1977 | 32°C (90°F) | 18°C (65°F) | 0" |
| 1976 | 23°C (74°F) | 19°C (67°F) | 6.88" |
| 1975 | 30°C (86°F) | 18°C (64°F) | 0" |
| 1974 | 29°C (85°F) | 20°C (68°F) | 0" |
| 1973 | 28°C (82°F) | 20°C (68°F) | 0" |
| 1972 | 24°C (76°F) | 18°C (65°F) | 0" |
| 1971 | 21°C (69°F) | 18°C (64°F) | 0.43" |