Average temperature in December is 27.6 °C
Average daytime temperature is 28.2 °C
Average night temperature is 26.9 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: 25.6 °C
Number of sunny days: 5
Number of rainy days: 26
Number of snow days:
Precipitation sum: 68 mm
* Weather data for Rongelap 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 | 28.2 | 27.9 | 27.9 | 28.8 | 28.9 | 28.5 | 28.4 | 28.8 | 28.6 | 27.6 | 28.4 | 28.5 | 28.6 | 28.3 | 28 | 28.9 | 28.5 | 27.9 | 28 | 27.9 | 28.1 | 28 | 28.1 | 27.6 | 27.7 | 28.1 | 27.9 | 27.9 | 28 | 28 | 28 |
| Apparent max temperature | 30.4 | 29.7 | 29.9 | 29.7 | 30.9 | 29.7 | 29.1 | 29.9 | 29.5 | 30.6 | 29.9 | 30 | 29.1 | 29.4 | 30.5 | 30 | 29 | 28.8 | 28.7 | 29.4 | 29.2 | 29.9 | 30.1 | 28.9 | 29.5 | 29.4 | 30.1 | 31.3 | 31.7 | 31.3 | 31 |
| Mean temperature | 27.7 | 27.5 | 27.2 | 28.3 | 27.9 | 27.9 | 28.2 | 28.2 | 27.3 | 27.4 | 27.8 | 28 | 28.1 | 28 | 27.6 | 28.2 | 27.9 | 27.5 | 27.4 | 27.5 | 27.7 | 27.6 | 27.7 | 27.1 | 27 | 27.3 | 27.2 | 27.1 | 27.7 | 27.3 | 27.5 |
| Apparent mean temperature | 28.4 | 28.2 | 27.3 | 27.8 | 27.7 | 27.3 | 27.9 | 27.3 | 27.7 | 28.3 | 27.9 | 27.1 | 27.9 | 27.5 | 27.9 | 26.4 | 26.8 | 26.7 | 26.9 | 26.9 | 27.9 | 28 | 26.6 | 26.7 | 26.5 | 26.4 | 27.5 | 27.6 | 29.7 | 28.4 | 27.2 |
| Minimum temperature | 27.4 | 26.9 | 26.3 | 27.8 | 26.7 | 27.3 | 27.9 | 27.9 | 26.2 | 27.1 | 27.2 | 27 | 27.5 | 27.6 | 26.9 | 27.8 | 27.4 | 27.1 | 26.6 | 26.9 | 27.3 | 27 | 26.9 | 26.2 | 25.6 | 25.6 | 26.5 | 25.8 | 27.4 | 26.7 | 26.8 |
| Apparent min temperature | 28.9 | 28.8 | 28.3 | 28.7 | 29.1 | 28.3 | 28.4 | 28.4 | 28.3 | 29.1 | 28.8 | 28.6 | 28.5 | 28.3 | 28.8 | 27.7 | 27.7 | 27.4 | 27.8 | 27.6 | 28.4 | 28.6 | 28 | 27.6 | 27.8 | 28.1 | 28.8 | 29.7 | 30.4 | 29.3 | 29.2 |
| 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunshine duration (h) | 10.7 | 10.7 | 10.7 | 9.9 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.5 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 9.9 | 10.6 | 10.6 | 10.5 | 10.5 | 10.6 | 10.6 | 10.5 | 10.5 | 10.1 | 9.3 | 6.7 | 9.4 | 10.5 | 10.1 | 10.4 |
| Precipitation (mm) | 0.2 | 0.8 | 1.7 | 0 | 1.5 | 0 | 0.1 | 0 | 2.2 | 0.1 | 0.5 | 0.1 | 0.7 | 0.5 | 0.1 | 0 | 0.4 | 0.2 | 0.6 | 0.8 | 0 | 1.3 | 1.7 | 2.5 | 8 | 16.5 | 9.3 | 13.9 | 0.3 | 2.1 | 1.9 |
| Precipitation hours | 1 | 5 | 11 | 0 | 9 | 0 | 1 | 0 | 14 | 1 | 4 | 1 | 6 | 1 | 1 | 0 | 4 | 2 | 5 | 5 | 0 | 5 | 5 | 9 | 17 | 13 | 16 | 17 | 3 | 12 | 7 |
| Wind speed (m/s) | 35.6 | 34.7 | 37.5 | 36 | 34.8 | 40 | 40.6 | 40.4 | 37.7 | 33 | 37 | 35.9 | 40.7 | 44.9 | 34.1 | 48 | 45.3 | 45.7 | 39.8 | 41.4 | 38.8 | 37.4 | 41.2 | 39.9 | 39.4 | 40.6 | 40.9 | 30.5 | 27.4 | 34.1 | 36.2 |
In December 2023, the highest daytime temperature in Rongelap was 28.9°C.
While the minimum temperature at night dropped to 25.6°C.
The average nighttime and daytime temperatures during December in Rongelap are 26.9°C and 28.2°C respectively.
The precipitation sum in December is about 68 mm.