Average temperature in December is 27.7 °C
Average daytime temperature is 28.5 °C
Average night temperature is 26.5 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: 24.2 °C
Number of sunny days:
Number of rainy days: 31
Number of snow days:
Precipitation sum: 268 mm
* Weather data for Arno Marshall 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 | 29.4 | 28.9 | 27.6 | 28.5 | 28.7 | 29.2 | 29.5 | 29.1 | 28.4 | 28 | 28.6 | 29.1 | 28.3 | 28.9 | 28.9 | 28.7 | 28.3 | 27.8 | 28 | 28.2 | 28.2 | 28.2 | 28.6 | 28.2 | 27.7 | 28.1 | 28.7 | 28.6 | 28.2 | 28 | 28 |
| Apparent max temperature | 30.2 | 31.2 | 29.4 | 30.4 | 30.6 | 30.2 | 31.5 | 30.9 | 31 | 31.7 | 30.3 | 30.3 | 29.9 | 30.7 | 31 | 32.4 | 29.6 | 30.1 | 29.6 | 29.1 | 30.2 | 31.1 | 32.1 | 30.6 | 31.6 | 31.1 | 32.5 | 32.9 | 33 | 31.6 | 33.2 |
| Mean temperature | 28.9 | 27.7 | 26.8 | 27.6 | 28.1 | 28.4 | 28.2 | 28.3 | 27.8 | 27.3 | 27.9 | 27.8 | 27.4 | 27.9 | 27.8 | 27.1 | 27.5 | 27 | 27.7 | 27.8 | 27.6 | 27.8 | 27.8 | 27.5 | 27 | 26.9 | 28.1 | 27.8 | 27.8 | 27.3 | 27.1 |
| Apparent mean temperature | 29 | 27.6 | 27.7 | 28.8 | 28 | 28.2 | 28.4 | 28.4 | 28.2 | 27.6 | 27.9 | 27.8 | 25.8 | 27.8 | 28.8 | 27.6 | 28.2 | 27.2 | 26.7 | 28 | 28.2 | 29.1 | 27.7 | 26.7 | 28.5 | 26.2 | 30.2 | 28.9 | 29.8 | 28.9 | 28 |
| Minimum temperature | 27.6 | 26.4 | 25.9 | 26.5 | 27.1 | 27.8 | 27.1 | 27.1 | 26.3 | 26.4 | 26.4 | 26.1 | 26.1 | 26.6 | 26.3 | 26 | 26.8 | 26.1 | 26.9 | 27.4 | 26.5 | 27.3 | 26.6 | 25.9 | 25.7 | 24.2 | 27.5 | 26.9 | 26.6 | 26.4 | 26 |
| Apparent min temperature | 29.6 | 29.5 | 28.6 | 29.8 | 29.1 | 29.1 | 29.3 | 29.6 | 29.9 | 29.3 | 29.3 | 29 | 28.4 | 29.1 | 30.1 | 28.9 | 28.9 | 28.5 | 27.7 | 28.5 | 29.2 | 29.9 | 29.4 | 29.1 | 29.2 | 29.4 | 31.1 | 30.6 | 31.2 | 30.5 | 30.4 |
| 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) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 |
| Sunshine duration (h) | 10.9 | 6.9 | 3.4 | 10.7 | 10.9 | 10.9 | 10.9 | 10.9 | 8 | 10.7 | 8 | 3.3 | 3.6 | 6 | 10.2 | 6.4 | 2.6 | 3.9 | 9.6 | 11 | 10.6 | 10.7 | 10.9 | 10.9 | 10.9 | 9.6 | 10.9 | 10.9 | 10.9 | 6.8 | 10.8 |
| Precipitation (mm) | 0.2 | 37.4 | 29.1 | 8.1 | 1.9 | 0.7 | 2 | 0.8 | 0.8 | 10.8 | 12.1 | 15.7 | 14.4 | 11.5 | 3.5 | 37.9 | 16.7 | 9.2 | 2.7 | 0.9 | 3.3 | 2.9 | 2.5 | 2.6 | 3.1 | 10.5 | 1 | 2.3 | 3.3 | 13.8 | 6.7 |
| Precipitation hours | 1 | 12 | 24 | 16 | 11 | 2 | 8 | 4 | 6 | 18 | 15 | 12 | 20 | 13 | 12 | 21 | 22 | 22 | 10 | 8 | 17 | 10 | 10 | 12 | 10 | 18 | 6 | 8 | 10 | 12 | 14 |
| Wind speed (m/s) | 34.9 | 34 | 37.2 | 35.3 | 41.1 | 38.7 | 41.7 | 35.4 | 31.8 | 38 | 37.7 | 38.7 | 48.8 | 40.1 | 32 | 34.9 | 35.6 | 35.6 | 44.5 | 40.2 | 36.9 | 32.2 | 37 | 33.7 | 31.6 | 32.6 | 28.7 | 30.2 | 23.4 | 28 | 26.5 |
In December 2023, the highest daytime temperature in Arno was 29.5°C.
While the minimum temperature at night dropped to 24.2°C.
The average nighttime and daytime temperatures during December in Arno are 26.5°C and 28.5°C respectively.
The precipitation sum in December is about 268 mm.