Average annual temperature is 18.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 4.9 °C
Number of sunny days: 166 days
Number of rainy days: 199 days
Look at detailed online map of Grants Head
* Weather data for Grants Head 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) | 29.4 | 30.6 | 34.0 | 24.4 | 24.9 | 22.7 | 25.4 | 23.1 | 29.8 | 32.6 | 30.7 | 36.3 |
| Average daytime temperature (°C) | 25.4 | 26.8 | 26.6 | 22.0 | 19.8 | 18.9 | 19.3 | 20.2 | 22.6 | 24.1 | 23.8 | 28.1 |
| Average temperature (°C) | 22.0 | 22.9 | 22.5 | 18.6 | 14.9 | 13.7 | 14.0 | 15.1 | 17.1 | 19.0 | 20.2 | 23.2 |
| Average night temperature (°C) | 18.7 | 19.2 | 19.1 | 15.6 | 11.3 | 9.5 | 9.7 | 10.7 | 12.5 | 14.7 | 17.3 | 19.6 |
| Absolute minimum temperature (°C) | 16.0 | 16.1 | 14.5 | 12.0 | 7.9 | 4.9 | 6.3 | 7.0 | 9.5 | 11.5 | 13.8 | 16.1 |
| 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) | 13.9 | 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) | 11.6 | 11.7 | 9.7 | 9.4 | 9.2 | 8.6 | 8.8 | 9.9 | 10.6 | 11.2 | 10.4 | 11.5 |
| Precipitation (mm) | 105 | 63 | 128 | 96 | 23 | 26 | 21 | 12 | 16 | 63 | 62 | 48 |
| Sunny days | 4 | 10 | 8 | 7 | 22 | 22 | 23 | 13 | 20 | 19 | 4 | 14 |
| Rainy days | 27 | 18 | 23 | 23 | 9 | 8 | 8 | 18 | 10 | 12 | 26 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grants Head is at