Weather on July 31 in Perth
Historical weather data for July 31 in Perth, Australia
Based on 54 years of data from PERTH REGIONAL OFFICE
About This Date
July 31st in Perth, Australia typically brings mild summer weather, with average highs around 19°C and lows near 9°C. Over 54 years of records, the warmest July 31st was in 2015 (19°C average), while the coldest was 1972 (9°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 63% of July 31st dates historically, with the wettest July 31st recording 1.45" 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 July 31st in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 23°C (73°F) | 6°C (43°F) | 0 mm |
| 2025 | 20°C (68°F) | 3°C (38°F) | 0 mm |
| 2024 | 23°C (74°F) | 12°C (53°F) | 2 mm |
| 2023 | 21°C (69°F) | 8°C (46°F) | 1 mm |
| 2022 | 18°C (64°F) | 8°C (46°F) | 3 mm |
| 2021 | 16°C (61°F) | 8°C (46°F) | 6 mm |
| 2020 | 20°C (68°F) | 9°C (48°F) | 0 mm |
| 2019 | 23°C (73°F) | 7°C (44°F) | 0 mm |
| 2018 | 19°C (67°F) | 5°C (41°F) | 0 mm |
| 2017 | 16°C (60°F) | 9°C (49°F) | 0 mm |
| 2016 | 16°C (60°F) | 12°C (54°F) | 6 mm |
| 2015 | 22°C (71°F) | 16°C (60°F) | 18 mm |
| 2014 | 17°C (62°F) | 8°C (46°F) | 2 mm |
| 2013 | 21°C (69°F) | 12°C (54°F) | 11 mm |
| 2012 | 19°C (67°F) | 12°C (54°F) | 7 mm |
| 2011 | 21°C (70°F) | 16°C (60°F) | 25 mm |
| 2010 | 19°C (67°F) | 9°C (49°F) | 2 mm |
| 2009 | 21°C (70°F) | 4°C (39°F) | 0 mm |
| 2008 | 14°C (57°F) | 7°C (44°F) | 3 mm |
| 2007 | 18°C (65°F) | 11°C (52°F) | 16 mm |
| 2006 | 17°C (62°F) | 7°C (44°F) | 0 mm |
| 2005 | 21°C (69°F) | 4°C (39°F) | 0 mm |
| 2004 | 17°C (63°F) | 9°C (48°F) | 1 mm |
| 2003 | 19°C (66°F) | 12°C (53°F) | 1 mm |
| 2002 | 17°C (62°F) | 9°C (48°F) | 1 mm |
| 2001 | 16°C (61°F) | 4°C (40°F) | 11 mm |
| 2000 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1999 | 19°C (67°F) | 3°C (37°F) | 0 mm |
| 1998 | 15°C (59°F) | 4°C (39°F) | 1 mm |
| 1997 | 22°C (72°F) | 8°C (47°F) | 0 mm |
| 1996 | 16°C (61°F) | 11°C (51°F) | 4 mm |
| 1995 | 18°C (64°F) | 10°C (50°F) | 2 mm |
| 1994 | 17°C (63°F) | 7°C (44°F) | 0 mm |
| 1991 | 21°C (69°F) | 12°C (53°F) | 9 mm |
| 1990 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 1989 | 17°C (63°F) | 10°C (50°F) | 0 mm |
| 1988 | 23°C (74°F) | 9°C (49°F) | 0 mm |
| 1987 | 16°C (61°F) | 11°C (52°F) | 11 mm |
| 1986 | 17°C (62°F) | 9°C (49°F) | 37 mm |
| 1985 | 19°C (67°F) | 8°C (47°F) | 0 mm |
| 1984 | 21°C (69°F) | 9°C (49°F) | 1 mm |
| 1983 | 17°C (63°F) | 8°C (46°F) | 0 mm |
| 1982 | 23°C (73°F) | 8°C (46°F) | 0 mm |
| 1981 | 19°C (66°F) | 13°C (55°F) | 2 mm |
| 1980 | 19°C (67°F) | 12°C (54°F) | 6 mm |
| 1979 | 18°C (64°F) | 7°C (44°F) | 0 mm |
| 1978 | 17°C (63°F) | 10°C (50°F) | 5 mm |
| 1977 | 25°C (77°F) | 10°C (50°F) | 0 mm |
| 1976 | 19°C (67°F) | 9°C (48°F) | 2 mm |
| 1975 | 15°C (59°F) | 4°C (40°F) | 0 mm |
| 1974 | 17°C (63°F) | 8°C (46°F) | 29 mm |
| 1973 | 16°C (61°F) | 11°C (51°F) | 1 mm |
| 1972 | 13°C (56°F) | 4°C (40°F) | 18 mm |
| 1971 | 17°C (62°F) | 11°C (51°F) | 2 mm |