| Month | Average (°C) | Record (°C) | Average (cm) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 32.3 | 17.6 | 46.0 | 6.0 | 1.6 |
| February | 32.3 | 17.8 | 46.7 | 5.7 | 1.7 |
| March | 30.1 | 16.3 | 43.8 | 3.1 | 1.8 |
| April | 26.4 | 13.5 | 39.6 | 1.2 | 3.1 |
| May | 22.4 | 10.6 | 35.3 | -0.4 | 8.1 |
| June | 19.5 | 9.0 | 27.8 | -1.3 | 12.4 |
| July | 18.5 | 8.2 | 25.7 | -1.0 | 13.8 |
| August | 19.1 | 8.3 | 30.2 | 0.1 | 12.2 |
| September | 20.5 | 9.1 | 34.9 | -0.2 | 7.9 |
| October | 23.7 | 10.8 | 37.7 | 1.2 | 3.4 |
| November | 27.0 | 13.4 | 41.1 | 3.2 | 2.9 |
| December | 30.2 | 15.7 | 44.5 | 4.8 | 1.0 |
| Entire year | 25.1 | 12.5 | 46.7 | -1.3 | 69.7 |
|
More Perth Weather Records
1877–2024
|
||
|---|---|---|
| Highest daily low | 29.3 °C | February 8, 1933 |
| Lowest daily high | 9.4 °C | June 26, 1956 |
| Greatest daily range (Difference of high and low) |
28.6 °C | January 28, 2019 |
| Greatest difference in daily high over two conscutive days |
19.0 °C | Nov 17–18, 1958 |
| Most daily precipitation | 13.2 cm | February 9, 1992 |
| Most monthly precipitation | 44.7 cm | July 1958 |
| Most yearly precipitation | 125.1 cm | 1926 |
| Most yearly days with precipitation | 168 | 1915 |
| Most days in a year < 0 °C | 3 | 2010 |
| Most days in a year ≥ 20 °C | 300 | 2012 |
| Most days in a year ≥ 25 °C | 193 | 2023 |
| Most days in a year ≥ 30 °C | 117 | 2023 |
| Most days in a year ≥ 35 °C | 50 | 2011 |
| Most days in a year ≥ 40 °C | 13 | 2024 |
|
Perth Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 30 days | Jun 8 – Jul 7, 1945 |
| Without precipitation | 122 days | Nov 21, 2009 – Mar 22, 2010 |
| High temperature ≥ 20 °C | 243 days | Sep 19, 2010 – May 19, 2011 |
| High temperature ≥ 25 °C | 121 days | Dec 3, 2009 – Apr 2, 2010 |
| High temperature ≥ 30 °C | 34 days | Feb 2 – Mar 7, 2014 |
| High temperature ≥ 35 °C | 13 days | Jan 20 – Feb 1, 1956 |
| High temperature ≥ 40 °C | 6 days | Jan 18–23, 2022 |