Average annual temperature is 18.7 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 243 days
Number of rainy days: 122 days
Look at detailed online map of Perth
* Weather data for 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 | 37.8 | 35.9 | 28.1 | 24.7 | 19.5 | 19.3 | 27.3 | 32.6 | 34.8 | 39.3 | 36.3 |
| Average daytime temperature (°C) | 30.3 | 30.1 | 28.2 | 22.1 | 20.9 | 16.0 | 17.0 | 18.4 | 20.2 | 24.4 | 28.4 | 29.3 |
| Average temperature (°C) | 24.2 | 24.2 | 22.3 | 17.3 | 15.9 | 12.3 | 13.5 | 13.4 | 16.3 | 18.7 | 22.7 | 23.7 |
| Average night temperature (°C) | 18.8 | 18.6 | 17.3 | 13.1 | 11.6 | 8.9 | 10.2 | 8.8 | 12.6 | 13.9 | 17.5 | 18.1 |
| Absolute minimum temperature (°C) | 14.2 | 13.7 | 14.2 | 7.9 | 4.7 | 3.3 | 4.8 | 4.5 | 6.3 | 7.9 | 14.1 | 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 | 8.0 | 8.0 | 8.2 | 9.3 | 10.0 | 11.3 | 12.5 | 12.9 |
| Precipitation (mm) | 0 | 0 | 50 | 43 | 61 | 167 | 121 | 50 | 52 | 4 | 11 | 0 |
| Sunny days | 29 | 28 | 22 | 16 | 17 | 10 | 9 | 20 | 13 | 26 | 24 | 29 |
| Rainy days | 2 | 0 | 9 | 14 | 14 | 20 | 22 | 11 | 17 | 5 | 6 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Perth is at