Weather on January 21 in Perth
Historical weather data for January 21 in Perth, Australia
Based on 55 years of data from PERTH REGIONAL OFFICE
About This Date
January 21st in Perth, Australia typically brings warm winter weather, with average highs around 32°C and lows near 19°C. Over 55 years of records, the warmest January 21st was in 1984 (33°C average), while the coldest was 1985 (19°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 9% of January 21st dates historically, with the wettest January 21st recording 5.46" of rain. The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
Planning for January 21st in Perth? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 41°C (105°F) | 21°C (69°F) | 0 mm |
| 2025 | 38°C (101°F) | 27°C (81°F) | 0 mm |
| 2024 | 31°C (87°F) | 19°C (66°F) | 0 mm |
| 2023 | 39°C (103°F) | 23°C (74°F) | 0 mm |
| 2022 | 42°C (107°F) | 22°C (72°F) | 0 mm |
| 2021 | 35°C (95°F) | 23°C (73°F) | 0 mm |
| 2020 | 26°C (78°F) | 17°C (63°F) | 0 mm |
| 2019 | 30°C (86°F) | 20°C (68°F) | 0 mm |
| 2018 | 32°C (90°F) | 21°C (70°F) | 0 mm |
| 2017 | 33°C (92°F) | 15°C (59°F) | 0 mm |
| 2016 | 28°C (82°F) | 17°C (62°F) | 0 mm |
| 2015 | 36°C (96°F) | 20°C (68°F) | 0 mm |
| 2014 | 38°C (100°F) | 20°C (68°F) | 0 mm |
| 2013 | 32°C (89°F) | 19°C (67°F) | 0 mm |
| 2012 | 36°C (96°F) | 20°C (68°F) | 25 mm |
| 2011 | 34°C (94°F) | 19°C (66°F) | 0 mm |
| 2010 | 28°C (82°F) | 18°C (65°F) | 0 mm |
| 2009 | 27°C (80°F) | 17°C (62°F) | 0 mm |
| 2008 | 32°C (90°F) | 19°C (66°F) | 0 mm |
| 2007 | 34°C (93°F) | 13°C (55°F) | 0 mm |
| 2006 | 25°C (77°F) | 17°C (62°F) | 0 mm |
| 2005 | 30°C (86°F) | 14°C (57°F) | 0 mm |
| 2004 | 28°C (82°F) | 15°C (59°F) | 0 mm |
| 2003 | 37°C (98°F) | 16°C (60°F) | 0 mm |
| 2002 | 32°C (90°F) | 16°C (61°F) | 0 mm |
| 2001 | 27°C (81°F) | 21°C (69°F) | 1 mm |
| 2000 | 27°C (81°F) | 17°C (63°F) | 0 mm |
| 1999 | 29°C (84°F) | 20°C (68°F) | 0 mm |
| 1998 | 24°C (76°F) | 17°C (63°F) | 0 mm |
| 1997 | 28°C (82°F) | 14°C (58°F) | 0 mm |
| 1996 | 33°C (92°F) | 15°C (59°F) | 0 mm |
| 1995 | 34°C (93°F) | 18°C (64°F) | 0 mm |
| 1994 | 31°C (87°F) | 24°C (75°F) | 0 mm |
| 1992 | 24°C (75°F) | 18°C (64°F) | 0 mm |
| 1991 | 25°C (77°F) | 21°C (69°F) | 0 mm |
| 1990 | 31°C (87°F) | 21°C (69°F) | 4 mm |
| 1989 | 35°C (95°F) | 28°C (82°F) | 0 mm |
| 1988 | 28°C (82°F) | 14°C (58°F) | 0 mm |
| 1987 | 31°C (87°F) | 18°C (65°F) | 0 mm |
| 1986 | 39°C (103°F) | 21°C (69°F) | 0 mm |
| 1985 | 24°C (75°F) | 14°C (58°F) | 0 mm |
| 1984 | 39°C (103°F) | 26°C (78°F) | 0 mm |
| 1983 | 26°C (78°F) | 21°C (69°F) | 0 mm |
| 1982 | 23°C (73°F) | 17°C (63°F) | 139 mm |
| 1981 | 34°C (94°F) | 17°C (63°F) | 0 mm |
| 1980 | 34°C (94°F) | 22°C (71°F) | 0 mm |
| 1979 | 36°C (96°F) | 18°C (64°F) | 0 mm |
| 1978 | 28°C (82°F) | 19°C (67°F) | 0 mm |
| 1977 | 26°C (79°F) | 16°C (60°F) | 0 mm |
| 1976 | 33°C (91°F) | 18°C (64°F) | 0 mm |
| 1975 | 26°C (79°F) | 16°C (61°F) | 0 mm |
| 1974 | 38°C (100°F) | 21°C (69°F) | 0 mm |
| 1973 | 34°C (93°F) | 21°C (69°F) | 0 mm |
| 1972 | 29°C (85°F) | 17°C (63°F) | 0 mm |
| 1971 | 40°C (104°F) | 23°C (73°F) | 2 mm |