Grafton Climate: Weather by Month and Best Time to Visit
Best months for Grafton: September, August, May, July.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 20°C | 115 mm | 12 | – | – | 7.3 |
| February | 28°C | 19°C | 114 mm | 12 | – | – | 7.3 |
| March | 27°C | 18°C | 97 mm | 12 | – | – | 7.4 |
| April | 24°C | 14°C | 47 mm | 9 | – | – | 7.9 |
| May | 22°C | 11°C | 55 mm | 7 | – | – | 8.1 |
| June | 19°C | 9°C | 59 mm | 6 | – | – | 7.9 |
| July | 19°C | 7°C | 26 mm | 4 | – | – | 8.1 |
| August | 21°C | 8°C | 36 mm | 4 | – | – | 8.3 |
| September | 24°C | 11°C | 32 mm | 6 | – | – | 8.4 |
| October | 25°C | 14°C | 61 mm | 8 | – | – | 8.0 |
| November | 27°C | 17°C | 84 mm | 11 | – | – | 7.6 |
| December | 28°C | 18°C | 115 mm | 12 | – | – | 7.3 |