Weather on April 18 in Sydney
Historical weather data for April 18 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
April 18th in Sydney, Australia typically brings pleasant spring weather, with average highs around 23°C and lows near 15°C. Over 55 years of records, the warmest April 18th was in 2005 (26°C average), while the coldest was 1996 (15°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 35% of April 18th dates historically, with the wettest April 18th recording 5.44" 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 April 18th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 24°C (75°F) | 17°C (62°F) | -- |
| 2024 | 23°C (74°F) | 17°C (63°F) | -- |
| 2023 | 22°C (72°F) | 16°C (60°F) | -- |
| 2022 | 23°C (74°F) | 17°C (62°F) | -- |
| 2021 | 22°C (71°F) | 13°C (55°F) | -- |
| 2020 | 24°C (76°F) | 14°C (57°F) | 0" |
| 2019 | 26°C (79°F) | 16°C (60°F) | 0" |
| 2018 | 22°C (72°F) | 17°C (63°F) | 0" |
| 2017 | 24°C (76°F) | 16°C (61°F) | 0" |
| 2016 | 24°C (76°F) | 15°C (59°F) | 0.2" |
| 2015 | 28°C (83°F) | 19°C (67°F) | 0.04" |
| 2014 | 27°C (80°F) | 13°C (56°F) | 0" |
| 2013 | 24°C (76°F) | 16°C (60°F) | 0.02" |
| 2012 | 21°C (70°F) | 17°C (63°F) | 5.44" |
| 2011 | 23°C (73°F) | 13°C (55°F) | 0" |
| 2010 | 25°C (77°F) | -- | 0" |
| 2009 | 23°C (73°F) | 14°C (58°F) | 0" |
| 2008 | 20°C (68°F) | 16°C (60°F) | 0.64" |
| 2007 | 23°C (74°F) | 16°C (61°F) | 0" |
| 2006 | 26°C (79°F) | 14°C (57°F) | 0" |
| 2005 | 32°C (90°F) | 18°C (65°F) | 0" |
| 2004 | 23°C (73°F) | 15°C (59°F) | 0" |
| 2003 | 20°C (68°F) | 14°C (57°F) | 4.58" |
| 2002 | 23°C (74°F) | 17°C (62°F) | 5.14" |
| 2001 | 26°C (78°F) | 17°C (63°F) | 0" |
| 2000 | 22°C (72°F) | 14°C (58°F) | 0" |
| 1999 | 24°C (75°F) | 14°C (58°F) | 0" |
| 1998 | 23°C (73°F) | 16°C (61°F) | 0.36" |
| 1997 | 27°C (80°F) | 16°C (60°F) | 0" |
| 1996 | 18°C (65°F) | 12°C (54°F) | 0" |
| 1995 | 24°C (75°F) | 12°C (54°F) | 0" |
| 1994 | 22°C (72°F) | 17°C (62°F) | 0" |
| 1993 | 23°C (73°F) | 14°C (58°F) | 0" |
| 1992 | 22°C (71°F) | 13°C (55°F) | 0.04" |
| 1991 | 24°C (75°F) | 14°C (57°F) | 0" |
| 1990 | 22°C (71°F) | 16°C (60°F) | 0.28" |
| 1989 | 24°C (76°F) | 16°C (61°F) | 0" |
| 1988 | 22°C (71°F) | 14°C (58°F) | 0.4" |
| 1987 | 20°C (68°F) | 14°C (58°F) | 0.04" |
| 1986 | 24°C (76°F) | 14°C (58°F) | 0.42" |
| 1985 | 20°C (68°F) | 12°C (53°F) | 0" |
| 1984 | 27°C (80°F) | 18°C (64°F) | 0" |
| 1983 | 22°C (71°F) | 11°C (51°F) | 2.74" |
| 1982 | 21°C (70°F) | 16°C (60°F) | 0.04" |
| 1981 | 24°C (76°F) | 14°C (58°F) | 0" |
| 1980 | 23°C (73°F) | 17°C (63°F) | 0" |
| 1979 | 23°C (74°F) | 17°C (62°F) | 0.02" |
| 1978 | 24°C (76°F) | 15°C (59°F) | 0" |
| 1977 | 26°C (78°F) | 13°C (56°F) | 0" |
| 1976 | 26°C (78°F) | 17°C (62°F) | 0" |
| 1975 | 24°C (75°F) | 16°C (61°F) | 0.14" |
| 1974 | 25°C (77°F) | 16°C (60°F) | 0" |
| 1973 | 23°C (73°F) | 15°C (59°F) | 0.03" |
| 1972 | 24°C (75°F) | 14°C (57°F) | 0" |
| 1971 | 25°C (77°F) | 16°C (60°F) | 0.53" |