Weather on March 21 in Perth
Historical weather data for March 21 in Perth, Australia
Based on 55 years of data from PERTH REGIONAL OFFICE
About This Date
March 21st in Perth, Australia typically brings warm spring weather, with average highs around 30°C and lows near 18°C. Over 55 years of records, the warmest March 21st was in 1988 (33°C average), while the coldest was 1982 (17°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 15% of March 21st dates historically, with the wettest March 21st recording 1.7" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Perth? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | 31°C (88°F) | 18°C (64°F) | 0" |
| 2025 | 32°C (90°F) | 11°C (52°F) | 0" |
| 2024 | 30°C (86°F) | 16°C (60°F) | 0" |
| 2023 | 33°C (92°F) | 23°C (74°F) | 0" |
| 2022 | 28°C (82°F) | 19°C (66°F) | 0" |
| 2021 | 38°C (100°F) | 16°C (61°F) | 0" |
| 2020 | 32°C (89°F) | 17°C (62°F) | 0" |
| 2019 | 32°C (89°F) | 22°C (71°F) | 0" |
| 2018 | 38°C (101°F) | 23°C (74°F) | 0" |
| 2017 | 22°C (71°F) | 18°C (64°F) | 0" |
| 2016 | 33°C (92°F) | 19°C (66°F) | 0" |
| 2015 | 24°C (76°F) | 17°C (62°F) | 0" |
| 2014 | 28°C (83°F) | 16°C (61°F) | 0.1" |
| 2013 | 24°C (76°F) | 16°C (61°F) | 0" |
| 2012 | 27°C (80°F) | 16°C (61°F) | 0" |
| 2011 | 32°C (89°F) | 17°C (62°F) | 0" |
| 2010 | 33°C (92°F) | 19°C (67°F) | 0" |
| 2009 | 24°C (75°F) | 12°C (54°F) | 0.28" |
| 2008 | 33°C (92°F) | 18°C (64°F) | 0" |
| 2007 | 30°C (86°F) | 18°C (64°F) | 0" |
| 2006 | 35°C (95°F) | 17°C (63°F) | 0" |
| 2005 | 31°C (88°F) | 19°C (66°F) | 0" |
| 2004 | 40°C (104°F) | 23°C (73°F) | 0" |
| 2003 | 33°C (92°F) | 17°C (63°F) | 1.08" |
| 2002 | 28°C (83°F) | 16°C (60°F) | 0" |
| 2001 | 28°C (82°F) | 13°C (55°F) | 0" |
| 2000 | 25°C (77°F) | 22°C (71°F) | 0" |
| 1999 | 28°C (82°F) | 20°C (68°F) | 0" |
| 1998 | 22°C (71°F) | 14°C (58°F) | 0.62" |
| 1997 | 30°C (86°F) | 15°C (59°F) | 0" |
| 1996 | 35°C (95°F) | 19°C (66°F) | 0" |
| 1995 | 34°C (93°F) | 16°C (60°F) | 0" |
| 1994 | 38°C (100°F) | 18°C (64°F) | 0" |
| 1992 | 23°C (73°F) | 18°C (64°F) | 0.08" |
| 1991 | 32°C (89°F) | 21°C (70°F) | 0" |
| 1990 | 24°C (76°F) | 17°C (62°F) | 0" |
| 1989 | 25°C (77°F) | 18°C (64°F) | 0" |
| 1988 | 42°C (107°F) | 25°C (77°F) | 0" |
| 1987 | 33°C (91°F) | 21°C (69°F) | 0" |
| 1986 | 22°C (72°F) | 16°C (60°F) | 0" |
| 1985 | 29°C (85°F) | 19°C (67°F) | 0" |
| 1984 | 27°C (81°F) | 16°C (60°F) | 0" |
| 1983 | 31°C (88°F) | 20°C (68°F) | 0" |
| 1982 | 20°C (68°F) | 13°C (56°F) | 1.7" |
| 1981 | 28°C (82°F) | 16°C (61°F) | 0" |
| 1980 | 27°C (80°F) | 13°C (55°F) | 0.02" |
| 1979 | 24°C (75°F) | 14°C (58°F) | 0" |
| 1978 | 37°C (99°F) | 22°C (72°F) | 0" |
| 1977 | 24°C (76°F) | 13°C (56°F) | 0" |
| 1976 | 34°C (93°F) | 20°C (68°F) | 0" |
| 1975 | 24°C (76°F) | 17°C (63°F) | 0.86" |
| 1974 | 33°C (91°F) | 19°C (66°F) | 0" |
| 1973 | 33°C (91°F) | 18°C (65°F) | 0" |
| 1972 | 33°C (91°F) | 18°C (64°F) | 0" |
| 1971 | 27°C (80°F) | 21°C (69°F) | 0" |