Average temperature in December is 24.8 °C
Average daytime temperature is 30.4 °C
Average night temperature is 20.4 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 18 °C
Number of sunny days: 29
Number of rainy days: 2
Number of snow days:
Precipitation sum: 1 mm
* Weather data for Geraldton Australia is based on climate observations for 2023 year
| December (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 30.8 | 26.2 | 27.3 | 28.2 | 28.6 | 28.3 | 24.8 | 25.9 | 33.8 | 35 | 35.9 | 36 | 33.8 | 29 | 34.1 | 34.7 | 25.7 | 32.5 | 40.1 | 35.8 | 28.6 | 26.6 | 26.9 | 36.9 | 27.9 | 25.8 | 24.7 | 29 | 34.4 | 27.9 | 26.8 |
| Apparent max temperature | 33.1 | 28.3 | 28.7 | 29.3 | 29.1 | 28.9 | 24.6 | 23.9 | 30 | 30.5 | 34.6 | 36.8 | 33.4 | 30.7 | 32.8 | 33.6 | 27.6 | 33.1 | 41.3 | 35 | 29.4 | 28.3 | 29.2 | 37.5 | 30.1 | 27 | 24.3 | 30.2 | 36.4 | 29.6 | 29.1 |
| Mean temperature | 24.7 | 22.3 | 22.6 | 23.3 | 23.7 | 23.3 | 21.6 | 21.7 | 27.2 | 28.5 | 28 | 27.9 | 24.9 | 23.4 | 26.8 | 26.5 | 22.5 | 27.3 | 31.8 | 26.3 | 24 | 22.9 | 24 | 27.6 | 23.7 | 22.4 | 21.7 | 23.7 | 25.9 | 24.1 | 23.4 |
| Apparent mean temperature | 21.7 | 19.4 | 18.1 | 19 | 19.6 | 19.4 | 17 | 14.5 | 16.2 | 17.2 | 19.2 | 18.5 | 17.7 | 17.6 | 20.3 | 22 | 19.8 | 21.6 | 22.3 | 21.8 | 22 | 20.4 | 18.8 | 22.6 | 22.1 | 19.4 | 18.3 | 19.4 | 22 | 22.4 | 22.2 |
| Minimum temperature | 20.2 | 19.7 | 18 | 19.9 | 20.6 | 20.2 | 19.2 | 18.6 | 21.8 | 22.4 | 22.6 | 20.7 | 18.6 | 18.7 | 22.6 | 20.7 | 19.2 | 22.9 | 23.8 | 19.9 | 20.8 | 19 | 19.7 | 21.1 | 20.2 | 19.5 | 18.1 | 19.4 | 21.3 | 21.2 | 20.7 |
| Apparent min temperature | 25.6 | 22.4 | 22.4 | 22.7 | 23.1 | 23 | 19.8 | 18.3 | 22.1 | 23.1 | 24.7 | 25.9 | 23.9 | 22.8 | 24.9 | 26.4 | 22.7 | 25.7 | 29.3 | 26.9 | 25 | 24.2 | 24.8 | 27.5 | 25.6 | 22.5 | 20.8 | 23.8 | 26.9 | 25.5 | 24.6 |
| December | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13.9 |
| Sunshine duration (h) | 12.8 | 12.8 | 12.8 | 12.7 | 12.5 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.6 | 12.9 | 12.9 | 11.3 | 12.8 | 11.4 | 12.6 | 12.9 | 12.9 | 13 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.1 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 25.5 | 24.5 | 24.6 | 31.1 | 30.7 | 29.6 | 31.6 | 39.6 | 30.6 | 32.1 | 26.8 | 26.7 | 28.9 | 30.7 | 27.8 | 29.2 | 24.4 | 35.2 | 41 | 36.5 | 29.6 | 23.7 | 20.5 | 28.2 | 19.2 | 21.6 | 24.8 | 29.2 | 27.7 | 27.2 | 23.2 |
In December 2023, the highest daytime temperature in Geraldton was 40.1°C.
While the minimum temperature at night dropped to 18°C.
The average nighttime and daytime temperatures during December in Geraldton are 20.4°C and 30.4°C respectively.
The precipitation sum in December is about 1 mm.