Average temperature in December is 16.5 °C
Average daytime temperature is 21.7 °C
Average night temperature is 13.2 °C
Absolute maximum temperature: 28.2 °C
Absolute minimum temperature: 8.2 °C
Number of sunny days: 13
Number of rainy days: 18
Number of snow days:
Precipitation sum: 45 mm
* Weather data for Christchurch 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 | 15.2 | 23.6 | 27.7 | 14.3 | 18.1 | 19.7 | 17.1 | 22.3 | 24.2 | 18.6 | 21.7 | 13.7 | 17 | 20.3 | 25.3 | 24.3 | 27 | 17.9 | 25.7 | 27.1 | 23.9 | 18.4 | 22 | 26.4 | 24.8 | 18.8 | 17 | 22.3 | 28.2 | 26.8 | 24.1 |
| Apparent max temperature | 14.3 | 24.1 | 28.7 | 11.6 | 18.3 | 20.6 | 15.8 | 22 | 22.2 | 18.8 | 21.8 | 12.2 | 17 | 20.9 | 26.2 | 22.1 | 27.8 | 16.9 | 27.1 | 27.8 | 26.3 | 19.3 | 23.3 | 25.9 | 26.8 | 18 | 13.3 | 22.9 | 28.4 | 24.7 | 22.1 |
| Mean temperature | 13 | 18.4 | 14.3 | 12.5 | 14.4 | 16.4 | 14.5 | 15.4 | 17.5 | 13.6 | 15.4 | 11 | 13.3 | 15.1 | 19.7 | 17.6 | 18 | 15.1 | 17.1 | 21.6 | 16.8 | 16.2 | 17.4 | 22.8 | 18 | 14.6 | 14.7 | 17 | 23.2 | 21.5 | 15.5 |
| Apparent mean temperature | 8.3 | 14.5 | 9.3 | 8.6 | 8.9 | 10.4 | 9.2 | 9.9 | 7.6 | 7.8 | 5.8 | 5.9 | 7.5 | 9.3 | 11.1 | 12 | 12.5 | 11.7 | 10.3 | 17.1 | 11.7 | 12.5 | 14.3 | 19.9 | 13.5 | 10.3 | 10.5 | 12.5 | 18.4 | 13.8 | 9.3 |
| Minimum temperature | 11.4 | 16.7 | 11.2 | 11.6 | 13.1 | 12.3 | 12.1 | 10.8 | 11.2 | 10.2 | 10.3 | 8.2 | 9 | 12.3 | 13.7 | 13.5 | 13.6 | 13.5 | 11.6 | 17.4 | 13 | 15.1 | 15.4 | 20.9 | 13.3 | 11.2 | 13.3 | 15.9 | 19.9 | 16 | 10.1 |
| Apparent min temperature | 9.8 | 16.2 | 12.7 | 9.8 | 11.2 | 15.2 | 11.7 | 14.1 | 14.2 | 11.1 | 12.6 | 8.4 | 11.8 | 13.5 | 18.1 | 16 | 16.8 | 13 | 16.2 | 21.2 | 15.9 | 14.7 | 17.2 | 22.5 | 18 | 13.4 | 11.8 | 15.4 | 22.2 | 18.9 | 14 |
| 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) | 15.2 | 15.2 | 15.2 | 15.2 | 15.3 | 15.3 | 15.3 | 15.3 | 15.3 | 15.3 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 |
| Sunshine duration (h) | 12 | 13.1 | 6.3 | 1.2 | 13.2 | 14.2 | 12.8 | 14.2 | 4.9 | 12.2 | 11.6 | 6.7 | 12.3 | 9.3 | 11.9 | 10.5 | 11.6 | 11.5 | 14.3 | 14.3 | 9.1 | 3.1 | 7.7 | 13.2 | 13.8 | 7.2 | 6.1 | 11.2 | 13.9 | 13.5 | 13.8 |
| Precipitation (mm) | 0 | 0.7 | 1.2 | 0.5 | 0 | 0.6 | 1 | 0 | 1.5 | 0 | 3 | 4.8 | 0 | 0 | 0 | 0.3 | 5.5 | 0.3 | 0 | 0 | 0 | 0.4 | 1.7 | 0 | 0 | 6.8 | 0.1 | 6.9 | 0 | 1.9 | 7.9 |
| Precipitation hours | 0 | 3 | 3 | 3 | 0 | 2 | 2 | 0 | 5 | 0 | 4 | 13 | 0 | 0 | 0 | 1 | 6 | 3 | 0 | 0 | 0 | 4 | 6 | 0 | 0 | 8 | 1 | 5 | 0 | 3 | 7 |
| Wind speed (m/s) | 25.3 | 27.1 | 26.4 | 28.3 | 31.5 | 21.7 | 23.9 | 21.7 | 31 | 19.7 | 24.2 | 27.9 | 19.2 | 21.1 | 28.7 | 25.3 | 22.8 | 24 | 26.1 | 20.9 | 21.4 | 24.3 | 20.6 | 22.5 | 21.2 | 24.7 | 27.3 | 32.5 | 28.2 | 30.7 | 32.8 |
In December 2023, the highest daytime temperature in Christchurch was 28.2°C.
While the minimum temperature at night dropped to 8.2°C.
The average nighttime and daytime temperatures during December in Christchurch are 13.2°C and 21.7°C respectively.
The precipitation sum in December is about 45 mm.