Weather on August 20 in Perth
Historical weather data for August 20 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
August 20th in Perth, Australia typically brings mild summer weather, with average highs around 19°C and lows near 9°C. Over 53 years of records, the warmest August 20th was in 2018 (20°C average), while the coldest was 1995 (11°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 58% of August 20th dates historically, with the wettest August 20th recording 2" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 20°C (68°F) | 13°C (56°F) | 51 mm |
| 2024 | 19°C (66°F) | 12°C (53°F) | 7 mm |
| 2023 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 2022 | 21°C (69°F) | 6°C (42°F) | 0 mm |
| 2021 | -- | 12°C (53°F) | 30 mm |
| 2020 | 20°C (68°F) | 7°C (44°F) | 0 mm |
| 2019 | 23°C (73°F) | 4°C (40°F) | 0 mm |
| 2018 | 26°C (78°F) | 15°C (59°F) | 0 mm |
| 2017 | 17°C (62°F) | 11°C (51°F) | 7 mm |
| 2016 | 18°C (64°F) | 9°C (48°F) | 7 mm |
| 2015 | 18°C (65°F) | 12°C (53°F) | 43 mm |
| 2014 | 19°C (67°F) | 12°C (54°F) | 2 mm |
| 2013 | 19°C (67°F) | 6°C (42°F) | 0 mm |
| 2012 | 24°C (75°F) | 12°C (53°F) | 0 mm |
| 2011 | 23°C (74°F) | 11°C (52°F) | 0 mm |
| 2010 | 18°C (64°F) | 7°C (45°F) | 0 mm |
| 2009 | 18°C (65°F) | 14°C (57°F) | 12 mm |
| 2008 | 17°C (63°F) | 7°C (44°F) | 1 mm |
| 2007 | 21°C (69°F) | 10°C (50°F) | 14 mm |
| 2006 | 19°C (67°F) | 11°C (51°F) | 27 mm |
| 2005 | 18°C (64°F) | 4°C (40°F) | 0 mm |
| 2004 | 19°C (66°F) | 12°C (54°F) | 6 mm |
| 2003 | 17°C (62°F) | 11°C (52°F) | 12 mm |
| 2002 | 21°C (69°F) | 4°C (40°F) | 0 mm |
| 2001 | 19°C (67°F) | 5°C (41°F) | 0 mm |
| 2000 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 1999 | 18°C (64°F) | 4°C (40°F) | 0 mm |
| 1998 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1997 | 19°C (67°F) | 3°C (38°F) | 0 mm |
| 1996 | 18°C (64°F) | 13°C (55°F) | 5 mm |
| 1995 | 17°C (63°F) | 4°C (39°F) | 13 mm |
| 1994 | 22°C (72°F) | 4°C (40°F) | 0 mm |
| 1991 | 19°C (66°F) | 14°C (58°F) | 3 mm |
| 1990 | 17°C (63°F) | 6°C (43°F) | 3 mm |
| 1989 | 19°C (67°F) | 11°C (52°F) | 7 mm |
| 1988 | 19°C (66°F) | 11°C (52°F) | 24 mm |
| 1987 | 18°C (65°F) | 14°C (57°F) | 12 mm |
| 1986 | 18°C (65°F) | 10°C (50°F) | 14 mm |
| 1985 | 19°C (66°F) | 11°C (51°F) | 19 mm |
| 1984 | 17°C (62°F) | 11°C (51°F) | 7 mm |
| 1983 | 19°C (66°F) | 13°C (56°F) | 8 mm |
| 1982 | 19°C (67°F) | 12°C (53°F) | 4 mm |
| 1981 | 17°C (62°F) | 8°C (46°F) | 13 mm |
| 1980 | 19°C (67°F) | 10°C (50°F) | 0 mm |
| 1979 | 17°C (62°F) | 5°C (41°F) | 0 mm |
| 1978 | 21°C (70°F) | 13°C (56°F) | 0 mm |
| 1977 | 18°C (64°F) | 12°C (53°F) | 3 mm |
| 1976 | 17°C (63°F) | 11°C (52°F) | 0 mm |
| 1975 | 19°C (67°F) | 11°C (51°F) | 4 mm |
| 1974 | 18°C (65°F) | 11°C (51°F) | 8 mm |
| 1973 | 16°C (61°F) | 12°C (53°F) | 21 mm |
| 1972 | 18°C (65°F) | 12°C (54°F) | 16 mm |
| 1971 | 21°C (69°F) | 8°C (47°F) | 0 mm |