Weather on May 20 in Sydney
Historical weather data for May 20 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
May 20th 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 20th was in 2015 (21°C average), while the coldest was 1972 (12°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 20th dates historically, with the wettest May 20th recording 2.02" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 20th 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) | 16°C (60°F) | -- |
| 2024 | 18°C (64°F) | 11°C (52°F) | -- |
| 2023 | 18°C (65°F) | 11°C (51°F) | -- |
| 2022 | 18°C (64°F) | 12°C (53°F) | -- |
| 2021 | 19°C (67°F) | 11°C (52°F) | -- |
| 2020 | 24°C (76°F) | 13°C (56°F) | 0" |
| 2019 | 23°C (73°F) | 14°C (57°F) | 0" |
| 2018 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2017 | 23°C (74°F) | 17°C (62°F) | 1.46" |
| 2016 | 25°C (77°F) | 13°C (55°F) | 0" |
| 2015 | 26°C (78°F) | 16°C (61°F) | 0.04" |
| 2014 | 26°C (78°F) | 14°C (58°F) | 0" |
| 2013 | 21°C (69°F) | 10°C (50°F) | 0" |
| 2012 | 17°C (62°F) | 11°C (51°F) | 0" |
| 2011 | 21°C (70°F) | 11°C (52°F) | 0" |
| 2010 | 19°C (67°F) | 11°C (52°F) | 0.1" |
| 2009 | 21°C (70°F) | 14°C (58°F) | 2.02" |
| 2008 | 22°C (71°F) | 11°C (51°F) | 0" |
| 2007 | 22°C (72°F) | 13°C (55°F) | 0" |
| 2006 | 20°C (68°F) | 13°C (56°F) | 0" |
| 2005 | 18°C (65°F) | 11°C (51°F) | 0" |
| 2004 | 23°C (73°F) | 9°C (49°F) | 0" |
| 2003 | 23°C (73°F) | 16°C (60°F) | 0" |
| 2002 | 15°C (59°F) | 11°C (51°F) | 0" |
| 2001 | 21°C (70°F) | 9°C (48°F) | 1.08" |
| 2000 | 22°C (71°F) | 9°C (49°F) | 0" |
| 1999 | 22°C (71°F) | 11°C (52°F) | 0" |
| 1998 | 21°C (70°F) | 14°C (58°F) | 1.44" |
| 1997 | 19°C (67°F) | 12°C (53°F) | 1.76" |
| 1996 | 18°C (65°F) | 13°C (56°F) | 0.12" |
| 1995 | 19°C (67°F) | 13°C (56°F) | 0" |
| 1994 | 18°C (65°F) | 9°C (48°F) | 0" |
| 1993 | 21°C (69°F) | 10°C (50°F) | 0" |
| 1992 | 18°C (65°F) | 10°C (50°F) | 0" |
| 1991 | 21°C (69°F) | 14°C (58°F) | 0.1" |
| 1990 | 17°C (63°F) | 8°C (47°F) | 0" |
| 1989 | 19°C (66°F) | 17°C (62°F) | 0.64" |
| 1988 | 20°C (68°F) | 12°C (54°F) | 0" |
| 1987 | 19°C (66°F) | 11°C (52°F) | 0" |
| 1986 | 20°C (68°F) | 13°C (55°F) | 0" |
| 1985 | 17°C (62°F) | 11°C (51°F) | 1.22" |
| 1984 | 21°C (69°F) | 14°C (58°F) | 0.66" |
| 1983 | 19°C (67°F) | 12°C (53°F) | 0" |
| 1982 | 22°C (71°F) | 13°C (55°F) | 0" |
| 1981 | 17°C (62°F) | 11°C (51°F) | 0.22" |
| 1980 | 21°C (69°F) | 12°C (53°F) | 0" |
| 1979 | 19°C (66°F) | 12°C (53°F) | 0.24" |
| 1978 | 19°C (66°F) | 11°C (51°F) | 0.1" |
| 1977 | 22°C (72°F) | 13°C (55°F) | 0" |
| 1976 | 21°C (69°F) | 11°C (51°F) | 0.02" |
| 1975 | 22°C (72°F) | 13°C (56°F) | 0" |
| 1974 | 18°C (65°F) | 11°C (52°F) | 0" |
| 1973 | 20°C (68°F) | 8°C (47°F) | 0" |
| 1972 | 15°C (59°F) | 9°C (48°F) | 0.15" |
| 1971 | 19°C (67°F) | 11°C (52°F) | 0" |