Weather on August 31 in Perth
Historical weather data for August 31 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
August 31st 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 31st was in 2023 (21°C average), while the coldest was 1995 (10°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 31st dates historically, with the wettest August 31st recording 3.78" 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 31st in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 22°C (71°F) | 5°C (41°F) | 0 mm |
| 2024 | 19°C (67°F) | 12°C (54°F) | 1 mm |
| 2023 | 29°C (85°F) | 11°C (52°F) | 0 mm |
| 2022 | 21°C (70°F) | 5°C (41°F) | 0 mm |
| 2021 | 21°C (69°F) | 13°C (55°F) | 3 mm |
| 2020 | 21°C (69°F) | 4°C (40°F) | 0 mm |
| 2019 | 19°C (67°F) | 12°C (54°F) | 23 mm |
| 2018 | 17°C (63°F) | 7°C (45°F) | 0 mm |
| 2017 | 19°C (66°F) | 10°C (50°F) | 12 mm |
| 2016 | 17°C (63°F) | 11°C (52°F) | 25 mm |
| 2015 | 18°C (64°F) | 9°C (48°F) | 1 mm |
| 2014 | 18°C (65°F) | 11°C (51°F) | 5 mm |
| 2013 | 21°C (70°F) | 15°C (59°F) | 19 mm |
| 2012 | 22°C (71°F) | 8°C (46°F) | 0 mm |
| 2011 | 22°C (72°F) | 11°C (52°F) | 4 mm |
| 2010 | 14°C (58°F) | 12°C (53°F) | 20 mm |
| 2009 | 19°C (66°F) | 5°C (41°F) | 0 mm |
| 2008 | 18°C (65°F) | 9°C (48°F) | 0 mm |
| 2007 | 19°C (66°F) | 7°C (44°F) | 0 mm |
| 2006 | 18°C (64°F) | 15°C (59°F) | 54 mm |
| 2005 | 17°C (62°F) | 8°C (47°F) | 0 mm |
| 2004 | 19°C (66°F) | 3°C (38°F) | 0 mm |
| 2003 | 20°C (68°F) | 4°C (40°F) | 0 mm |
| 2002 | 19°C (67°F) | 11°C (51°F) | 11 mm |
| 2001 | 17°C (63°F) | 7°C (45°F) | 5 mm |
| 2000 | 16°C (60°F) | 12°C (53°F) | 69 mm |
| 1999 | 22°C (71°F) | 4°C (39°F) | 1 mm |
| 1998 | 21°C (69°F) | 11°C (51°F) | 3 mm |
| 1997 | 18°C (64°F) | 5°C (41°F) | 0 mm |
| 1996 | 18°C (65°F) | 13°C (55°F) | 19 mm |
| 1995 | 17°C (63°F) | 3°C (37°F) | 0 mm |
| 1994 | 17°C (63°F) | 9°C (48°F) | 96 mm |
| 1991 | 19°C (67°F) | 7°C (44°F) | 0 mm |
| 1990 | 19°C (67°F) | 7°C (45°F) | 0 mm |
| 1989 | 21°C (69°F) | 11°C (51°F) | 1 mm |
| 1988 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1987 | 22°C (71°F) | 12°C (54°F) | 1 mm |
| 1986 | 21°C (69°F) | 12°C (54°F) | 8 mm |
| 1985 | 19°C (66°F) | 13°C (56°F) | 24 mm |
| 1984 | 17°C (62°F) | 7°C (45°F) | 0 mm |
| 1983 | 26°C (78°F) | 10°C (50°F) | 0 mm |
| 1982 | 17°C (63°F) | 11°C (51°F) | 21 mm |
| 1981 | 21°C (70°F) | 6°C (43°F) | 0 mm |
| 1980 | 18°C (65°F) | 14°C (58°F) | 0 mm |
| 1979 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 1978 | 22°C (71°F) | 8°C (46°F) | 0 mm |
| 1977 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1976 | 17°C (63°F) | 7°C (45°F) | 0 mm |
| 1975 | 21°C (69°F) | 10°C (50°F) | 0 mm |
| 1974 | 18°C (65°F) | 14°C (57°F) | 0 mm |
| 1973 | 15°C (59°F) | 7°C (45°F) | 13 mm |
| 1972 | 22°C (71°F) | 9°C (49°F) | 0 mm |
| 1971 | 19°C (66°F) | 8°C (46°F) | 0 mm |