Mid Beach boasts a year-around average temperature of 25.1°C, peaking at 29.0°C in August, its warmest month, and dipping to an average low of 20.1°C in January, the coolest. Rainfall averages at 131.0mm annually, with September seeing the heaviest showers and January being the driest month.
Month | Temperature (Celcius) | Rainfall (mm) |
| January | 20.1 | 41.1 |
| February | 21.2 | 57.1 |
| March | 22.6 | 76.2 |
| April | 24.3 | 79.8 |
| May | 26.6 | 135.6 |
| June | 28.2 | 245.6 |
| July | 28.9 | 165.1 |
| August | 29.0 | 225.6 |
| September | 28.3 | 250.4 |
| October | 26.6 | 160.8 |
| November | 23.8 | 83.1 |
| December | 21.4 | 51.8 |