Average annual temperature is 19.4 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 186 days
Number of rainy days: 179 days
Look at detailed online map of South Grafton
* Weather data for South Grafton 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) | 35.4 | 39.0 | 37.3 | 28.3 | 25.7 | 23.6 | 25.2 | 28.4 | 36.3 | 38.8 | 35.3 | 37.3 |
| Average daytime temperature (°C) | 29.6 | 30.0 | 29.5 | 24.5 | 21.9 | 20.5 | 20.5 | 22.8 | 25.8 | 28.4 | 26.5 | 31.9 |
| Average temperature (°C) | 23.6 | 23.7 | 23.6 | 19.1 | 15.0 | 13.4 | 13.8 | 15.5 | 17.9 | 20.6 | 21.3 | 25.0 |
| Average night temperature (°C) | 19.3 | 19.2 | 19.5 | 15.1 | 10.1 | 8.4 | 8.8 | 10.1 | 12.0 | 14.6 | 17.6 | 20.1 |
| Absolute minimum temperature (°C) | 16.6 | 15.9 | 13.7 | 10.8 | 6.7 | 4.1 | 4.2 | 7.1 | 8.2 | 12.0 | 13.5 | 17.0 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 11.3 | 11.4 | 8.9 | 10.0 | 9.1 | 8.7 | 8.7 | 9.9 | 10.2 | 11.3 | 8.5 | 11.0 |
| Precipitation (mm) | 135 | 33 | 138 | 46 | 77 | 7 | 17 | 27 | 3 | 31 | 146 | 114 |
| Sunny days | 6 | 12 | 11 | 10 | 22 | 21 | 21 | 16 | 22 | 26 | 6 | 13 |
| Rainy days | 25 | 16 | 20 | 20 | 9 | 9 | 10 | 15 | 8 | 5 | 24 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in South Grafton is at