Average annual temperature is 23.2 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 215 days
Number of rainy days: 150 days
Look at detailed online map of Grand Secret
* Weather data for Grand Secret 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) | 34.7 | 34.2 | 34.8 | 35.1 | 28.9 | 28.2 | 27.7 | 31.7 | 34.8 | 37.3 | 40.1 | 37.5 |
| Average daytime temperature (°C) | 30.3 | 30.0 | 31.2 | 30.1 | 25.6 | 26.5 | 24.1 | 26.8 | 29.9 | 33.1 | 34.2 | 33.1 |
| Average temperature (°C) | 25.4 | 25.0 | 25.6 | 24.3 | 19.4 | 20.4 | 18.5 | 19.6 | 22.4 | 25.0 | 26.4 | 26.9 |
| Average night temperature (°C) | 21.7 | 21.1 | 21.0 | 19.4 | 13.9 | 15.3 | 13.5 | 12.8 | 15.5 | 18.2 | 20.8 | 22.3 |
| Absolute minimum temperature (°C) | 18.9 | 19.0 | 18.5 | 16.0 | 9.1 | 12.8 | 9.7 | 10.1 | 12.5 | 15.6 | 17.4 | 19.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.8 | 12.2 | 11.6 | 11.2 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.2 | 8.4 | 9.7 | 10.0 | 10.0 | 9.2 | 8.7 | 10.4 | 10.8 | 11.5 | 10.9 | 10.1 |
| Precipitation (mm) | 298 | 128 | 64 | 74 | 5 | 6 | 46 | 0 | 1 | 5 | 70 | 117 |
| Sunny days | 7 | 8 | 13 | 17 | 24 | 21 | 22 | 29 | 27 | 23 | 17 | 7 |
| Rainy days | 24 | 20 | 18 | 13 | 7 | 9 | 9 | 2 | 3 | 8 | 13 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grand Secret is at