Weather on May 31 in Sydney
Historical weather data for May 31 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
May 31st in Sydney, Australia typically brings mild spring weather, with average highs around 19°C and lows near 11°C. Over 55 years of records, the warmest May 31st was in 1990 (19°C average), while the coldest was 1977 (11°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 31st dates historically, with the wettest May 31st recording 6.52" 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 May 31st in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 20°C (68°F) | 13°C (56°F) | -- |
| 2024 | 22°C (71°F) | 15°C (59°F) | -- |
| 2023 | 21°C (69°F) | 13°C (55°F) | -- |
| 2022 | 17°C (63°F) | 9°C (49°F) | -- |
| 2021 | 19°C (66°F) | 12°C (53°F) | -- |
| 2020 | 23°C (73°F) | 13°C (55°F) | 0" |
| 2019 | 21°C (70°F) | 8°C (46°F) | 0" |
| 2018 | 18°C (65°F) | 9°C (49°F) | 0.16" |
| 2017 | 16°C (61°F) | 9°C (49°F) | 0" |
| 2016 | 18°C (64°F) | 9°C (48°F) | 0" |
| 2015 | 15°C (59°F) | 12°C (53°F) | 0" |
| 2014 | 21°C (69°F) | 14°C (58°F) | 0.24" |
| 2013 | 25°C (77°F) | 12°C (53°F) | 0" |
| 2012 | 20°C (68°F) | 12°C (53°F) | 0" |
| 2011 | 20°C (68°F) | 14°C (57°F) | 6.52" |
| 2010 | 20°C (68°F) | 13°C (55°F) | 1.28" |
| 2009 | 19°C (66°F) | 12°C (53°F) | 1.06" |
| 2008 | 20°C (68°F) | 11°C (51°F) | 0" |
| 2007 | 18°C (65°F) | 8°C (46°F) | 0" |
| 2006 | 18°C (64°F) | 9°C (48°F) | 0.2" |
| 2005 | 21°C (69°F) | 8°C (46°F) | 0" |
| 2004 | 22°C (71°F) | 8°C (46°F) | 0" |
| 2003 | 23°C (73°F) | 9°C (49°F) | 0" |
| 2002 | 18°C (65°F) | 11°C (51°F) | 0.3" |
| 2001 | 19°C (66°F) | 8°C (46°F) | 0" |
| 2000 | 17°C (62°F) | 8°C (47°F) | 0" |
| 1999 | 22°C (72°F) | 17°C (62°F) | 0.04" |
| 1998 | 21°C (70°F) | 12°C (53°F) | 0" |
| 1997 | 16°C (61°F) | 7°C (45°F) | 0" |
| 1996 | 22°C (72°F) | 9°C (49°F) | 0" |
| 1995 | 19°C (66°F) | 11°C (52°F) | 0" |
| 1994 | 17°C (63°F) | 11°C (52°F) | 0" |
| 1993 | 22°C (71°F) | 16°C (60°F) | 0" |
| 1992 | 19°C (67°F) | 13°C (55°F) | 0.12" |
| 1991 | 19°C (67°F) | 11°C (51°F) | 0.06" |
| 1990 | 22°C (71°F) | 17°C (63°F) | 1.96" |
| 1989 | 17°C (63°F) | 13°C (55°F) | 0.04" |
| 1988 | 19°C (66°F) | 13°C (55°F) | 0.04" |
| 1987 | 18°C (64°F) | 9°C (49°F) | 0" |
| 1986 | 20°C (68°F) | 9°C (49°F) | 0" |
| 1985 | 19°C (67°F) | 13°C (55°F) | 0.14" |
| 1984 | 19°C (67°F) | 11°C (51°F) | 0" |
| 1983 | 19°C (67°F) | 9°C (49°F) | 0" |
| 1982 | 21°C (69°F) | 13°C (56°F) | 0" |
| 1981 | 18°C (64°F) | 14°C (58°F) | 0" |
| 1980 | 19°C (67°F) | 14°C (57°F) | 0" |
| 1979 | 17°C (62°F) | 10°C (50°F) | 0" |
| 1978 | 17°C (62°F) | 15°C (59°F) | 2.6" |
| 1977 | 13°C (56°F) | 9°C (48°F) | 0" |
| 1976 | 23°C (74°F) | 8°C (46°F) | 0" |
| 1975 | 19°C (67°F) | 9°C (48°F) | 0" |
| 1974 | 19°C (67°F) | 9°C (49°F) | 0" |
| 1973 | 23°C (73°F) | 11°C (52°F) | 0" |
| 1972 | 16°C (60°F) | 12°C (53°F) | 0.64" |
| 1971 | 18°C (65°F) | 11°C (52°F) | 0" |