Weather on May 20 in Perth
Historical weather data for May 20 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
May 20th in Perth, Australia typically brings pleasant spring weather, with average highs around 22°C and lows near 12°C. Over 53 years of records, the warmest May 20th was in 1985 (23°C average), while the coldest was 2020 (12°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 20th dates historically, with the wettest May 20th recording 2.42" 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 20th in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 22°C (71°F) | 6°C (43°F) | 0" |
| 2024 | 25°C (77°F) | 11°C (52°F) | 0" |
| 2023 | 23°C (74°F) | 12°C (54°F) | 0" |
| 2022 | 22°C (72°F) | 15°C (59°F) | 0.04" |
| 2021 | 24°C (76°F) | 10°C (50°F) | 0" |
| 2020 | 19°C (67°F) | 5°C (41°F) | 0" |
| 2019 | 21°C (70°F) | 9°C (49°F) | 0.6" |
| 2018 | 24°C (76°F) | 5°C (41°F) | 0" |
| 2017 | 17°C (62°F) | 11°C (52°F) | 0.82" |
| 2016 | 22°C (72°F) | 9°C (48°F) | 0" |
| 2015 | 17°C (63°F) | 8°C (47°F) | 0" |
| 2014 | 23°C (73°F) | 16°C (61°F) | 0.22" |
| 2013 | 19°C (67°F) | 11°C (52°F) | 0.6" |
| 2012 | 27°C (80°F) | 9°C (49°F) | 0" |
| 2011 | 18°C (65°F) | 16°C (60°F) | 2.42" |
| 2010 | 27°C (81°F) | 9°C (48°F) | 0" |
| 2009 | 26°C (79°F) | 13°C (56°F) | 0" |
| 2008 | 23°C (74°F) | 9°C (48°F) | 0" |
| 2007 | 18°C (65°F) | 12°C (53°F) | 0.42" |
| 2006 | 22°C (71°F) | 10°C (50°F) | 0" |
| 2005 | 23°C (73°F) | 12°C (54°F) | 0.06" |
| 2004 | 23°C (74°F) | 8°C (47°F) | 0" |
| 2003 | 24°C (75°F) | 8°C (46°F) | 0" |
| 2002 | 21°C (70°F) | 8°C (47°F) | 0" |
| 2001 | 21°C (69°F) | 13°C (56°F) | 0.02" |
| 2000 | 22°C (72°F) | 6°C (42°F) | 0" |
| 1999 | 22°C (72°F) | 17°C (63°F) | 0.74" |
| 1998 | 23°C (74°F) | 11°C (52°F) | 0.22" |
| 1997 | 20°C (68°F) | 9°C (49°F) | 0" |
| 1996 | 23°C (73°F) | 5°C (41°F) | 0" |
| 1995 | 22°C (72°F) | 6°C (43°F) | 0" |
| 1994 | 24°C (75°F) | 15°C (59°F) | 0" |
| 1991 | 22°C (71°F) | 17°C (62°F) | 0.08" |
| 1990 | 21°C (69°F) | 13°C (56°F) | 0" |
| 1989 | 24°C (76°F) | 15°C (59°F) | 0" |
| 1988 | 18°C (65°F) | 16°C (61°F) | 0.84" |
| 1987 | 21°C (69°F) | 11°C (52°F) | 0" |
| 1986 | 19°C (66°F) | 14°C (58°F) | 1.4" |
| 1985 | 29°C (85°F) | 16°C (60°F) | 0" |
| 1984 | 19°C (66°F) | 13°C (56°F) | 2.2" |
| 1983 | 23°C (74°F) | 11°C (51°F) | 0" |
| 1982 | 22°C (72°F) | 11°C (52°F) | 0" |
| 1981 | 26°C (79°F) | 16°C (60°F) | 0" |
| 1980 | 24°C (76°F) | 11°C (52°F) | 0" |
| 1979 | 19°C (66°F) | 11°C (51°F) | 0.38" |
| 1978 | 21°C (70°F) | 13°C (55°F) | 2.26" |
| 1977 | 19°C (66°F) | 11°C (51°F) | 0" |
| 1976 | 23°C (73°F) | 17°C (62°F) | 1.08" |
| 1975 | 22°C (72°F) | 17°C (63°F) | 0.54" |
| 1974 | 19°C (67°F) | 12°C (54°F) | 0.04" |
| 1973 | 24°C (75°F) | 14°C (57°F) | 0" |
| 1972 | 27°C (81°F) | 14°C (58°F) | 0" |
| 1971 | 21°C (70°F) | 14°C (58°F) | 1.8" |