| Month | Daily minimum (°C) | Daily maximum (°C) | Days of rain | Rainfall (mm) |
|---|---|---|---|---|
| January | 13.6 | 25.6 | 7.5 | 40.3 |
| February | 14.2 | 25.5 | 7.2 | 46.8 |
| March | 12.5 | 23.6 | 8.7 | 35.2 |
| April | 9.8 | 20.1 | 10.8 | 46.8 |
| May | 7.7 | 16.7 | 13.8 | 47.4 |
| June | 5.8 | 14.2 | 14.1 | 38.7 |
| July | 4.9 | 13.6 | 15.4 | 39.1 |
| August | 5.4 | 14.8 | 15.5 | 45.8 |
| September | 6.6 | 16.9 | 14.8 | 50.6 |
| October | 8.2 | 19.1 | 14.4 | 58.1 |
| November | 10.0 | 21.3 | 11.8 | 51.0 |
| December | 11.9 | 23.7 | 9.9 | 44.8 |
| Statistics provided by BOM for Laverton RAAF (nearest comparable weather site to Werribee) | ||||