Average temperature in December is 15.9 °C
Average daytime temperature is 18.7 °C
Average night temperature is 13.8 °C
Absolute maximum temperature: 22.5 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 14
Number of rainy days: 17
Number of snow days:
Precipitation sum: 66 mm
* Weather data for Wellington New Zealand 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 | 17.1 | 18.3 | 16.2 | 15.5 | 17.8 | 19.2 | 17.9 | 17.9 | 18.3 | 16.2 | 17.6 | 18.2 | 16 | 16.8 | 17.3 | 18.6 | 18.9 | 19.6 | 20.3 | 17.9 | 18.4 | 19.7 | 22.5 | 20 | 20.2 | 20.3 | 20.4 | 20.5 | 20 | 20.5 | 20.4 |
| Apparent max temperature | 14.1 | 17.2 | 14.3 | 12.3 | 17.6 | 20.9 | 16.3 | 17.3 | 15 | 13.7 | 15.7 | 16.5 | 14.9 | 16 | 14.6 | 14.9 | 15.8 | 20.6 | 21.3 | 13.8 | 17.3 | 19.2 | 23.9 | 18.2 | 19.9 | 20 | 22.8 | 21.9 | 17.2 | 18.1 | 16.8 |
| Mean temperature | 13 | 16.1 | 14 | 13.3 | 14.7 | 16 | 15 | 15.4 | 15.8 | 12.4 | 14.9 | 12.7 | 14.3 | 14.9 | 16.1 | 16.6 | 16.1 | 15.8 | 16.6 | 16.3 | 16.3 | 16.4 | 19.2 | 18.4 | 17.9 | 16.5 | 15.2 | 18.6 | 18.5 | 18.3 | 16.2 |
| Apparent mean temperature | 8.9 | 10.6 | 9 | 8.2 | 10.9 | 9.2 | 10.5 | 11 | 7.6 | 6.5 | 8.3 | 3.5 | 8.7 | 7.8 | 10.5 | 12.3 | 11.9 | 13.2 | 9.8 | 10.5 | 12.4 | 15.1 | 17.1 | 14.5 | 14 | 9.8 | 10.8 | 13.5 | 13.5 | 12.7 | 10.3 |
| Minimum temperature | 10.4 | 14.9 | 12.4 | 12.2 | 12 | 13.7 | 11.2 | 13.2 | 14.6 | 8.3 | 12.2 | 10.4 | 11.1 | 13.6 | 15.6 | 15.7 | 14.2 | 13.3 | 14.5 | 15.2 | 14.2 | 14.8 | 17.7 | 17.4 | 16 | 14.3 | 13.3 | 16.7 | 17.3 | 16.5 | 12 |
| Apparent min temperature | 10.4 | 12.8 | 10.7 | 9.4 | 13.5 | 13.2 | 13.6 | 13.8 | 10.4 | 9 | 11 | 9.2 | 11.7 | 11.4 | 11.8 | 13.2 | 13.3 | 15.9 | 13.7 | 11.6 | 14.8 | 16.3 | 19.3 | 16 | 16 | 13.7 | 13.2 | 17.3 | 14.9 | 14.4 | 13.4 |
| 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) | 14.9 | 14.9 | 15 | 15 | 15 | 15 | 15 | 15 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 |
| Sunshine duration (h) | 13.8 | 7.1 | 0 | 5 | 10.8 | 12.8 | 13.8 | 13.9 | 9.1 | 10.2 | 13.9 | 13.8 | 14 | 13.7 | 8 | 7.1 | 8.2 | 11 | 14.1 | 12.3 | 10.6 | 5.5 | 3 | 6.3 | 14 | 11.3 | 13.7 | 7 | 5.7 | 11.2 | 10.5 |
| Precipitation (mm) | 0 | 4.6 | 6.1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.9 | 0 | 8.5 | 0 | 0 | 20.4 | 2.2 | 0.9 | 0.2 | 0 | 0 | 0 | 0.7 | 4.9 | 1.2 | 0 | 1.6 | 0 | 6.9 | 0.4 | 0.8 | 4.3 |
| Precipitation hours | 0 | 9 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 6 | 0 | 0 | 8 | 4 | 4 | 2 | 0 | 0 | 0 | 1 | 12 | 6 | 0 | 6 | 0 | 13 | 2 | 5 | 7 |
| Wind speed (m/s) | 27.2 | 38 | 39.5 | 28.3 | 21.5 | 34.7 | 22.3 | 39.8 | 50.4 | 39.9 | 40.7 | 43.6 | 31.6 | 53.6 | 51.9 | 48.8 | 48.6 | 18.4 | 40.7 | 43.2 | 37.6 | 18.4 | 26.9 | 40.6 | 39.4 | 36.4 | 29.3 | 43.1 | 46.8 | 52.1 | 45.7 |
In December 2023, the highest daytime temperature in Wellington was 22.5°C.
While the minimum temperature at night dropped to 8.3°C.
The average nighttime and daytime temperatures during December in Wellington are 13.8°C and 18.7°C respectively.
The precipitation sum in December is about 66 mm.