Average temperature in December is 27 °C
Average daytime temperature is 29.1 °C
Average night temperature is 25.2 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: 23.8 °C
Number of sunny days:
Number of rainy days: 31
Number of snow days:
Precipitation sum: 117 mm
* Weather data for Mangilao Village Guam 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 | 29.1 | 28.6 | 28.5 | 29 | 29.7 | 29.4 | 29.5 | 29.4 | 29.5 | 30 | 29.9 | 28.9 | 30.4 | 28.5 | 28.8 | 29.9 | 29.5 | 28 | 29 | 29.3 | 29.5 | 29.4 | 28.6 | 28.7 | 29.5 | 29.2 | 27.9 | 28.6 | 29 | 29 | 28.8 |
| Apparent max temperature | 34.2 | 32.3 | 31.3 | 32.4 | 33.6 | 34 | 33.5 | 32.9 | 33 | 34.3 | 33.9 | 31.9 | 33.1 | 31.3 | 30.9 | 33.9 | 31.6 | 31 | 33.1 | 31.7 | 32.5 | 32.7 | 29.6 | 30.8 | 32.4 | 31.8 | 31.2 | 31.9 | 31.6 | 31.3 | 31.8 |
| Mean temperature | 26.7 | 27 | 27 | 27.2 | 27.4 | 27.2 | 27.3 | 26.9 | 27.2 | 27.5 | 26.9 | 27.3 | 27.8 | 27.4 | 27.3 | 27.6 | 26.7 | 26.7 | 27.1 | 27.1 | 26.7 | 27 | 27.1 | 27.1 | 26.7 | 27.1 | 26.1 | 26.8 | 26.5 | 27.1 | 26.1 |
| Apparent mean temperature | 27.9 | 27 | 28.3 | 28.4 | 28.5 | 28.8 | 29 | 27.4 | 28.8 | 29.6 | 27.9 | 28.6 | 28.8 | 28.7 | 28.8 | 28.5 | 27.1 | 28 | 27.9 | 28.1 | 28.7 | 27.6 | 27.1 | 28 | 27.4 | 27.3 | 27.6 | 28.3 | 27.3 | 28.2 | 26.8 |
| Minimum temperature | 24.6 | 24.9 | 25.7 | 25.5 | 25.7 | 25.6 | 25.2 | 24.3 | 25.5 | 26.2 | 24.3 | 25.3 | 25.8 | 26.9 | 26.1 | 25.6 | 23.8 | 26 | 25.7 | 25.2 | 25 | 25.3 | 25 | 25.7 | 24.3 | 24.7 | 24.8 | 25.5 | 24.7 | 25.7 | 23.8 |
| Apparent min temperature | 30.2 | 29.7 | 29.3 | 30.1 | 30.4 | 30.7 | 30.7 | 30.2 | 30.5 | 30.9 | 30.6 | 30.2 | 30.4 | 29.7 | 29.9 | 30.1 | 29.2 | 29.7 | 29.8 | 29.3 | 30 | 29.8 | 28.6 | 29 | 29.7 | 29.7 | 29.3 | 29.8 | 29 | 29.1 | 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) | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunshine duration (h) | 10.4 | 10 | 8.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.5 | 10.5 | 10.6 | 10.6 | 10.6 | 10.1 | 10.6 | 10.6 | 10.6 | 10.6 | 7.6 | 10.6 | 10.6 | 10.5 | 7.7 | 10.6 | 10.5 | 10.6 | 9.8 |
| Precipitation (mm) | 5.9 | 6.8 | 3.3 | 2.4 | 0.7 | 1.3 | 1.3 | 1.4 | 2.8 | 0.5 | 1.1 | 3.1 | 0.5 | 3.7 | 3.5 | 1.5 | 8.1 | 5 | 2.6 | 1.3 | 2.7 | 2.7 | 1.3 | 2.4 | 11.8 | 2.3 | 3.3 | 2.9 | 5.7 | 3.1 | 22.3 |
| Precipitation hours | 16 | 13 | 7 | 12 | 3 | 5 | 9 | 5 | 11 | 3 | 5 | 10 | 5 | 9 | 10 | 3 | 13 | 12 | 8 | 8 | 11 | 11 | 8 | 16 | 17 | 8 | 14 | 15 | 21 | 17 | 23 |
| Wind speed (m/s) | 23.2 | 26.9 | 27.4 | 24.8 | 21.6 | 18.7 | 19.9 | 20.9 | 21.4 | 18.1 | 19 | 23.9 | 26.2 | 27.9 | 32.1 | 22.6 | 25.7 | 28.7 | 22.3 | 28.8 | 21.3 | 25 | 29.4 | 31.7 | 23.4 | 24.4 | 22.4 | 23.5 | 25.9 | 27.4 | 29 |
In December 2023, the highest daytime temperature in Mangilao Village was 30.4°C.
While the minimum temperature at night dropped to 23.8°C.
The average nighttime and daytime temperatures during December in Mangilao Village are 25.2°C and 29.1°C respectively.
The precipitation sum in December is about 117 mm.