Average annual temperature is 18.8 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 243 days
Number of rainy days: 122 days
Look at detailed online map of South Perth
* Weather data for South Perth Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.8 | 37.5 | 35.9 | 28.3 | 25.1 | 19.8 | 19.3 | 27.4 | 32.6 | 35.7 | 39.7 | 36.9 |
| Average daytime temperature (°C) | 30.8 | 30.5 | 28.4 | 22.3 | 21.1 | 16.1 | 17.0 | 18.5 | 20.4 | 25.1 | 29.2 | 30.3 |
| Average temperature (°C) | 24.5 | 24.4 | 22.4 | 17.3 | 15.8 | 12.2 | 13.4 | 13.4 | 16.2 | 19.0 | 23.1 | 24.1 |
| Average night temperature (°C) | 18.9 | 18.6 | 17.3 | 13.0 | 11.5 | 8.7 | 10.1 | 8.8 | 12.7 | 14.0 | 17.7 | 18.4 |
| Absolute minimum temperature (°C) | 14.1 | 14.0 | 14.6 | 7.9 | 5.2 | 3.4 | 5.2 | 4.8 | 6.5 | 8.6 | 13.9 | 13.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.9 | 12.2 | 10.6 | 9.8 | 8.1 | 8.0 | 8.2 | 9.3 | 10.0 | 11.3 | 12.5 | 12.9 |
| Precipitation (mm) | 1 | 0 | 51 | 42 | 57 | 156 | 101 | 46 | 55 | 4 | 21 | 0 |
| Sunny days | 30 | 28 | 23 | 16 | 18 | 10 | 9 | 20 | 12 | 26 | 23 | 28 |
| Rainy days | 1 | 0 | 8 | 14 | 13 | 20 | 22 | 11 | 18 | 5 | 7 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in South Perth is at