Average temperature in December is 24.5 °C
Average daytime temperature is 25 °C
Average night temperature is 24 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: 22.6 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 57 mm
* Weather data for Avarua Cook Islands 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 | 24.5 | 24.4 | 24.8 | 24.4 | 24.6 | 24.8 | 24.9 | 24.7 | 25.1 | 25.4 | 25.3 | 25.4 | 25.4 | 25.5 | 25.4 | 25.5 | 25.5 | 25.1 | 25 | 25.1 | 24.6 | 24.4 | 24.1 | 24.8 | 24.4 | 24.7 | 25.3 | 25.4 | 25.6 | 25.6 | 25.3 |
| Apparent max temperature | 27 | 26.5 | 26.4 | 26.1 | 26.4 | 26.5 | 26.1 | 25.4 | 25.5 | 24.9 | 25.9 | 27 | 27.8 | 28.8 | 28.9 | 27.3 | 27.3 | 25.4 | 25.1 | 26.1 | 26.3 | 24.7 | 25.5 | 26.2 | 26.1 | 24.8 | 27 | 29.2 | 29.4 | 28.9 | 29.6 |
| Mean temperature | 24.3 | 24.1 | 24.2 | 24.1 | 24.2 | 24.5 | 24.4 | 24.3 | 24.7 | 24.9 | 25.1 | 25 | 24.9 | 24.6 | 25 | 25.1 | 25.1 | 24.8 | 24.6 | 24.3 | 23.9 | 23.9 | 23.6 | 24.4 | 23.8 | 24.1 | 24.6 | 24.9 | 25 | 25.2 | 24.9 |
| Apparent mean temperature | 24 | 24.1 | 23.9 | 23.7 | 22 | 23.6 | 22.2 | 22.8 | 22.4 | 22.7 | 23.3 | 24 | 25.8 | 24.8 | 25.5 | 24.8 | 24.4 | 22.9 | 22.6 | 22.8 | 21.5 | 23 | 21.9 | 23.3 | 22.1 | 22.5 | 24 | 25.3 | 26.1 | 26.1 | 26.4 |
| Minimum temperature | 24.1 | 23.8 | 23.8 | 23.6 | 22.6 | 23.9 | 23.9 | 23.4 | 24.2 | 24 | 24.9 | 24.9 | 24.1 | 24.1 | 24.7 | 24.8 | 24.8 | 24.2 | 24.2 | 23.5 | 23 | 23.3 | 23.1 | 24.1 | 23.1 | 23.4 | 24 | 24.3 | 24.4 | 24.7 | 24.5 |
| Apparent min temperature | 25.3 | 24.9 | 25.2 | 24.7 | 25 | 24.7 | 23.8 | 23.8 | 23.4 | 23.7 | 24.1 | 24.9 | 26.6 | 26.2 | 26.5 | 25.6 | 26.3 | 24.2 | 23.5 | 23.8 | 23.2 | 23.8 | 23.1 | 24.3 | 23.3 | 23.2 | 24.9 | 26.2 | 27.2 | 27.3 | 27.3 |
| 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) | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 |
| Sunshine duration (h) | 10.7 | 7.2 | 5.8 | 12.6 | 12.5 | 12.6 | 12 | 12.6 | 12.6 | 12.2 | 10.1 | 6.4 | 5.6 | 7 | 5.5 | 4.8 | 4.7 | 6.2 | 12.6 | 12.6 | 12.6 | 12.6 | 12.1 | 12.6 | 12.6 | 12.3 | 12.6 | 12.5 | 11.9 | 12.6 | 12.2 |
| Precipitation (mm) | 0 | 0.1 | 0.1 | 0.5 | 4.4 | 0.1 | 0 | 0.3 | 3.9 | 7.1 | 0.1 | 2.3 | 3.9 | 12.7 | 0 | 3.2 | 2.3 | 11.7 | 0.7 | 0.3 | 1.4 | 0.1 | 1.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 1 | 1 | 3 | 6 | 1 | 0 | 2 | 16 | 20 | 1 | 11 | 14 | 15 | 0 | 13 | 12 | 12 | 5 | 3 | 10 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 31.1 | 29.8 | 30 | 28.3 | 36.2 | 37.7 | 38.4 | 38 | 47.8 | 47.6 | 45.4 | 39.1 | 29.8 | 29.3 | 30.5 | 38.5 | 39.3 | 43.7 | 44 | 40.5 | 38.3 | 32.6 | 37.1 | 32 | 27.9 | 31.9 | 27.3 | 21.8 | 19.2 | 23.2 | 22.7 |
In December 2023, the highest daytime temperature in Avarua was 25.6°C.
While the minimum temperature at night dropped to 22.6°C.
The average nighttime and daytime temperatures during December in Avarua are 24°C and 25°C respectively.
The precipitation sum in December is about 57 mm.