Weather on August 17 in Perth
Historical weather data for August 17 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
August 17th 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 17th was in 2021 (19°C average), while the coldest was 1997 (9°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 53% of August 17th dates historically, with the wettest August 17th recording 3.42" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 17th 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) | 7°C (45°F) | 0 mm |
| 2024 | 17°C (62°F) | 13°C (56°F) | 0 mm |
| 2023 | 18°C (65°F) | 8°C (46°F) | 1 mm |
| 2022 | 17°C (63°F) | 11°C (51°F) | 24 mm |
| 2021 | 25°C (77°F) | 13°C (56°F) | 1 mm |
| 2020 | 17°C (63°F) | 11°C (51°F) | 26 mm |
| 2019 | 16°C (61°F) | 7°C (44°F) | 68 mm |
| 2018 | 18°C (64°F) | 10°C (50°F) | 10 mm |
| 2017 | 18°C (65°F) | 7°C (44°F) | 3 mm |
| 2016 | 16°C (61°F) | 12°C (54°F) | 4 mm |
| 2015 | 21°C (69°F) | 16°C (60°F) | 14 mm |
| 2014 | 27°C (80°F) | 11°C (52°F) | 0 mm |
| 2013 | 19°C (66°F) | 11°C (52°F) | 17 mm |
| 2012 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 2011 | 18°C (65°F) | 8°C (47°F) | 2 mm |
| 2010 | 18°C (65°F) | 6°C (42°F) | 0 mm |
| 2009 | 19°C (67°F) | 11°C (52°F) | 22 mm |
| 2008 | 24°C (76°F) | 3°C (37°F) | 0 mm |
| 2007 | 21°C (69°F) | 3°C (38°F) | 0 mm |
| 2006 | 19°C (66°F) | 3°C (38°F) | 0 mm |
| 2005 | 16°C (60°F) | 8°C (46°F) | 87 mm |
| 2004 | 18°C (65°F) | 8°C (46°F) | 1 mm |
| 2003 | 20°C (68°F) | 11°C (51°F) | 0 mm |
| 2002 | 19°C (66°F) | 6°C (43°F) | 0 mm |
| 2001 | 16°C (61°F) | 2°C (36°F) | 0 mm |
| 2000 | 18°C (64°F) | 10°C (50°F) | 7 mm |
| 1999 | 19°C (67°F) | 13°C (56°F) | 38 mm |
| 1998 | 19°C (67°F) | 11°C (51°F) | 1 mm |
| 1997 | 16°C (61°F) | 3°C (37°F) | 0 mm |
| 1996 | 17°C (62°F) | 8°C (46°F) | 0 mm |
| 1995 | 19°C (67°F) | 15°C (59°F) | 5 mm |
| 1994 | 21°C (69°F) | 5°C (41°F) | 0 mm |
| 1991 | 21°C (70°F) | 11°C (52°F) | 0 mm |
| 1990 | 20°C (68°F) | 8°C (46°F) | 1 mm |
| 1989 | 22°C (72°F) | 14°C (58°F) | 1 mm |
| 1988 | 18°C (65°F) | 8°C (47°F) | 0 mm |
| 1987 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1986 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1985 | 24°C (76°F) | 12°C (54°F) | 0 mm |
| 1984 | 18°C (64°F) | 11°C (52°F) | 3 mm |
| 1983 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 1982 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1981 | 18°C (64°F) | 13°C (55°F) | 3 mm |
| 1980 | 20°C (68°F) | 12°C (53°F) | 4 mm |
| 1979 | 16°C (61°F) | 12°C (53°F) | 57 mm |
| 1978 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 1977 | 20°C (68°F) | 11°C (51°F) | 0 mm |
| 1976 | 19°C (67°F) | 10°C (50°F) | 0 mm |
| 1975 | 19°C (67°F) | 14°C (58°F) | 76 mm |
| 1974 | 18°C (64°F) | 12°C (53°F) | 1 mm |
| 1973 | 19°C (66°F) | 7°C (44°F) | 0 mm |
| 1972 | 16°C (60°F) | 9°C (49°F) | 40 mm |
| 1971 | 19°C (66°F) | 13°C (55°F) | 3 mm |