Weather on October 21 in Perth
Historical weather data for October 21 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
October 21st in Perth, Australia typically brings pleasant fall weather, with average highs around 24°C and lows near 13°C. Over 53 years of records, the warmest October 21st was in 1994 (27°C average), while the coldest was 1988 (13°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 32% of October 21st dates historically, with the wettest October 21st recording 2.26" 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 October 21st in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 21°C (70°F) | 10°C (50°F) | 1.66" |
| 2024 | 19°C (67°F) | 10°C (50°F) | 0.52" |
| 2023 | 29°C (85°F) | 17°C (62°F) | 0" |
| 2022 | 22°C (71°F) | 14°C (58°F) | 0.42" |
| 2021 | 21°C (69°F) | 14°C (58°F) | 0.16" |
| 2020 | 26°C (78°F) | 15°C (59°F) | 0" |
| 2019 | 24°C (75°F) | 12°C (53°F) | 0" |
| 2018 | 22°C (71°F) | 15°C (59°F) | 0" |
| 2017 | 31°C (87°F) | 17°C (62°F) | 0" |
| 2016 | 22°C (72°F) | 8°C (46°F) | 0" |
| 2015 | 32°C (89°F) | 12°C (54°F) | 0" |
| 2014 | 25°C (77°F) | 8°C (47°F) | 0" |
| 2013 | 21°C (69°F) | 9°C (48°F) | 0" |
| 2012 | 29°C (85°F) | 12°C (54°F) | 0" |
| 2011 | 30°C (86°F) | 9°C (49°F) | 0" |
| 2010 | 21°C (69°F) | 9°C (49°F) | 0.84" |
| 2009 | 24°C (76°F) | 13°C (55°F) | 0" |
| 2008 | 33°C (91°F) | 18°C (64°F) | 0" |
| 2007 | 21°C (70°F) | 12°C (53°F) | 0.12" |
| 2006 | 30°C (86°F) | 20°C (68°F) | 0" |
| 2005 | 22°C (71°F) | 8°C (46°F) | 0" |
| 2004 | 24°C (76°F) | 16°C (60°F) | 0.84" |
| 2003 | 23°C (73°F) | 13°C (55°F) | 0" |
| 2002 | 24°C (75°F) | 9°C (48°F) | 0" |
| 2001 | 17°C (62°F) | 11°C (51°F) | 1.06" |
| 2000 | 19°C (66°F) | 12°C (53°F) | 0" |
| 1999 | 27°C (80°F) | 15°C (59°F) | 0" |
| 1998 | 27°C (81°F) | 9°C (49°F) | 0" |
| 1997 | 33°C (91°F) | 18°C (64°F) | 0" |
| 1996 | 23°C (74°F) | 18°C (64°F) | 1.76" |
| 1995 | 22°C (72°F) | 10°C (50°F) | 0" |
| 1994 | 34°C (93°F) | 20°C (68°F) | 0" |
| 1991 | 21°C (70°F) | 13°C (56°F) | 0" |
| 1990 | 30°C (86°F) | 13°C (56°F) | 0" |
| 1989 | 20°C (68°F) | 13°C (55°F) | 0.28" |
| 1988 | 18°C (65°F) | 8°C (46°F) | 0.46" |
| 1987 | 21°C (70°F) | 11°C (52°F) | 0" |
| 1986 | 23°C (74°F) | 14°C (57°F) | 0" |
| 1985 | 19°C (66°F) | 12°C (53°F) | 0.06" |
| 1984 | 23°C (73°F) | 13°C (55°F) | 0" |
| 1983 | 22°C (72°F) | 18°C (65°F) | 0" |
| 1982 | 28°C (83°F) | 13°C (55°F) | 0" |
| 1981 | 21°C (70°F) | 14°C (58°F) | 0" |
| 1980 | 19°C (67°F) | 15°C (59°F) | 0.88" |
| 1979 | 18°C (65°F) | 11°C (52°F) | 0.64" |
| 1978 | 26°C (78°F) | 18°C (65°F) | 0" |
| 1977 | 33°C (92°F) | 18°C (65°F) | 0" |
| 1976 | 26°C (78°F) | 14°C (57°F) | 0" |
| 1975 | 23°C (73°F) | 11°C (52°F) | 0.68" |
| 1974 | 20°C (68°F) | 13°C (55°F) | 0.14" |
| 1973 | 24°C (76°F) | 13°C (56°F) | 0" |
| 1972 | 21°C (70°F) | 11°C (51°F) | 0" |
| 1971 | 20°C (68°F) | 10°C (50°F) | 2.26" |