| Month | Daily minimum (°C) | Daily maximum (°C) | Days of rain | Rainfall (mm) |
|---|---|---|---|---|
| January | 13.9 | 22.3 | 9.0 | 35.1 |
| February | 14.5 | 23.0 | 6.8 | 28.4 |
| March | 13.0 | 21.3 | 11.7 | 32.3 |
| April | 10.6 | 19.3 | 13.8 | 45.3 |
| May | 8.9 | 16.7 | 17.8 | 60.0 |
| June | 7.6 | 14.6 | 18.8 | 78.0 |
| July | 7.1 | 14.3 | 19.9 | 80.9 |
| August | 7.2 | 15.1 | 18.9 | 76.8 |
| September | 8.2 | 16.5 | 17.6 | 68.6 |
| October | 9.3 | 18.1 | 15.5 | 51.9 |
| November | 10.9 | 19.5 | 11.2 | 45.0 |
| December | 12.3 | 20.9 | 10.3 | 33.6 |
| Statistics provided by BOM for Port Fairy (nearest comparable weather site to Warrnambool) | ||||