Weather on May 15 in Sydney
Historical weather data for May 15 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
May 15th in Sydney, Australia typically brings mild spring weather, with average highs around 20°C and lows near 12°C. Over 55 years of records, the warmest May 15th was in 2022 (22°C average), while the coldest was 1971 (13°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 15th dates historically, with the wettest May 15th recording 5.74" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 20°C (68°F) | 17°C (63°F) | -- |
| 2024 | 21°C (70°F) | 16°C (60°F) | -- |
| 2023 | 21°C (70°F) | 13°C (56°F) | -- |
| 2022 | 25°C (77°F) | 19°C (66°F) | -- |
| 2021 | 17°C (62°F) | 12°C (54°F) | -- |
| 2020 | 16°C (60°F) | 10°C (50°F) | 0.26" |
| 2019 | 23°C (73°F) | 12°C (53°F) | 0" |
| 2018 | 21°C (69°F) | 11°C (51°F) | 0.02" |
| 2017 | 21°C (69°F) | 13°C (56°F) | 0.52" |
| 2016 | 24°C (76°F) | 13°C (56°F) | 0" |
| 2015 | 20°C (68°F) | 10°C (50°F) | 0.02" |
| 2014 | 23°C (73°F) | 12°C (53°F) | 0" |
| 2013 | 21°C (69°F) | 9°C (49°F) | 0.02" |
| 2012 | 20°C (68°F) | 8°C (47°F) | 0" |
| 2011 | 19°C (67°F) | 7°C (45°F) | 0" |
| 2010 | 22°C (71°F) | 11°C (51°F) | 0" |
| 2009 | 22°C (71°F) | 12°C (54°F) | 0" |
| 2008 | 22°C (71°F) | 12°C (54°F) | 0.02" |
| 2007 | 22°C (72°F) | 14°C (58°F) | 0" |
| 2006 | 18°C (64°F) | 12°C (54°F) | 2.58" |
| 2005 | 19°C (66°F) | 13°C (55°F) | 0" |
| 2004 | 23°C (73°F) | 9°C (49°F) | 0" |
| 2003 | 18°C (65°F) | 16°C (60°F) | 4.4" |
| 2002 | 17°C (63°F) | 12°C (54°F) | 1.78" |
| 2001 | 22°C (72°F) | 13°C (55°F) | 0" |
| 2000 | 20°C (68°F) | 12°C (53°F) | 0" |
| 1999 | 23°C (74°F) | 14°C (58°F) | 0" |
| 1998 | 19°C (66°F) | 16°C (61°F) | 0.04" |
| 1997 | 19°C (67°F) | 12°C (53°F) | 0" |
| 1996 | 21°C (70°F) | 11°C (52°F) | 1.64" |
| 1995 | 22°C (71°F) | 12°C (53°F) | 0" |
| 1994 | 21°C (69°F) | 11°C (51°F) | 0" |
| 1993 | 15°C (59°F) | 11°C (51°F) | 0.44" |
| 1992 | 19°C (67°F) | 12°C (54°F) | 0" |
| 1991 | 16°C (61°F) | 12°C (54°F) | 1.06" |
| 1990 | 18°C (64°F) | 12°C (54°F) | 0" |
| 1989 | 19°C (67°F) | 13°C (56°F) | 0.02" |
| 1988 | 21°C (70°F) | 12°C (54°F) | 0" |
| 1987 | 23°C (73°F) | 13°C (56°F) | 0.32" |
| 1986 | 20°C (68°F) | 14°C (58°F) | 0.02" |
| 1985 | 20°C (68°F) | 11°C (52°F) | 0" |
| 1984 | 21°C (69°F) | 11°C (51°F) | 0" |
| 1983 | 21°C (69°F) | 15°C (59°F) | 0" |
| 1982 | 21°C (70°F) | 9°C (49°F) | 0" |
| 1981 | 22°C (71°F) | 11°C (52°F) | 0" |
| 1980 | 20°C (68°F) | 13°C (56°F) | 0.26" |
| 1979 | 17°C (63°F) | 10°C (50°F) | 0" |
| 1978 | 19°C (66°F) | 9°C (49°F) | 0.14" |
| 1977 | 18°C (64°F) | 16°C (60°F) | 5.74" |
| 1976 | 21°C (70°F) | 11°C (52°F) | 0.22" |
| 1975 | 21°C (69°F) | 11°C (51°F) | 0" |
| 1974 | 24°C (76°F) | 17°C (63°F) | 0" |
| 1973 | 18°C (64°F) | 13°C (55°F) | 0" |
| 1972 | 18°C (65°F) | 10°C (50°F) | 0.53" |
| 1971 | 16°C (60°F) | 11°C (51°F) | 0.36" |