Weather on June 18 in Sydney
Historical weather data for June 18 in Sydney, Australia
Based on 56 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
June 18th in Sydney, Australia typically brings mild summer weather, with average highs around 18°C and lows near 10°C. Over 56 years of records, the warmest June 18th was in 2016 (18°C average), while the coldest was 1995 (10°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 43% of June 18th dates historically, with the wettest June 18th recording 4.1" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 21°C (69°F) | 16°C (60°F) | -- |
| 2025 | 16°C (61°F) | 9°C (49°F) | -- |
| 2024 | 16°C (61°F) | 11°C (51°F) | -- |
| 2023 | 19°C (66°F) | 9°C (49°F) | -- |
| 2022 | 17°C (62°F) | 12°C (54°F) | -- |
| 2021 | 18°C (64°F) | 12°C (53°F) | -- |
| 2020 | 18°C (65°F) | 12°C (54°F) | 6 mm |
| 2019 | 19°C (66°F) | 11°C (52°F) | 85 mm |
| 2018 | 17°C (62°F) | 10°C (50°F) | 1 mm |
| 2017 | 18°C (64°F) | 11°C (52°F) | 5 mm |
| 2016 | 21°C (70°F) | 14°C (58°F) | 13 mm |
| 2015 | 17°C (63°F) | 12°C (53°F) | 6 mm |
| 2014 | 21°C (69°F) | 12°C (53°F) | 0 mm |
| 2013 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 2012 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 2011 | 18°C (64°F) | 10°C (50°F) | 0 mm |
| 2010 | 18°C (64°F) | 10°C (50°F) | 2 mm |
| 2009 | 16°C (60°F) | 10°C (50°F) | 20 mm |
| 2008 | 19°C (67°F) | 13°C (56°F) | 0 mm |
| 2007 | 15°C (59°F) | 11°C (52°F) | 6 mm |
| 2006 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 2005 | 17°C (63°F) | 8°C (47°F) | 0 mm |
| 2004 | 18°C (64°F) | 8°C (47°F) | 1 mm |
| 2003 | 20°C (68°F) | 11°C (51°F) | 0 mm |
| 2002 | 14°C (58°F) | 9°C (49°F) | 7 mm |
| 2001 | 19°C (67°F) | 8°C (47°F) | 0 mm |
| 2000 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1999 | 20°C (68°F) | 8°C (46°F) | 0 mm |
| 1998 | 18°C (65°F) | 7°C (45°F) | 46 mm |
| 1997 | 15°C (59°F) | 9°C (48°F) | 13 mm |
| 1996 | 19°C (67°F) | 11°C (51°F) | 18 mm |
| 1995 | 14°C (57°F) | 6°C (42°F) | 1 mm |
| 1994 | 19°C (67°F) | 9°C (48°F) | 0 mm |
| 1993 | 21°C (69°F) | 9°C (49°F) | 2 mm |
| 1992 | 16°C (60°F) | 8°C (47°F) | 1 mm |
| 1991 | 17°C (63°F) | 11°C (52°F) | 0 mm |
| 1990 | 13°C (56°F) | 8°C (47°F) | 11 mm |
| 1989 | 21°C (69°F) | 14°C (57°F) | 0 mm |
| 1988 | 21°C (69°F) | 12°C (54°F) | 2 mm |
| 1987 | 18°C (65°F) | 12°C (53°F) | 19 mm |
| 1986 | 19°C (66°F) | 13°C (55°F) | 0 mm |
| 1985 | 21°C (69°F) | 9°C (48°F) | 0 mm |
| 1984 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1983 | 17°C (62°F) | 10°C (50°F) | 15 mm |
| 1982 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1981 | 17°C (63°F) | 6°C (43°F) | 0 mm |
| 1980 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 1979 | 18°C (65°F) | 10°C (50°F) | 0 mm |
| 1978 | 17°C (62°F) | 8°C (46°F) | 0 mm |
| 1977 | 21°C (70°F) | 13°C (55°F) | 0 mm |
| 1976 | 19°C (66°F) | 9°C (49°F) | 104 mm |
| 1975 | 17°C (62°F) | 10°C (50°F) | 57 mm |
| 1974 | 18°C (64°F) | 7°C (45°F) | 0 mm |
| 1973 | 17°C (62°F) | 10°C (50°F) | 5 mm |
| 1972 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1971 | 18°C (65°F) | 11°C (51°F) | 0 mm |