Average temperature in January is 26.7 °C
Average daytime temperature is 29.1 °C
Average night temperature is 25 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 23.3 °C
Number of sunny days: 3
Number of rainy days: 28
Number of snow days:
Precipitation sum: 177 mm
* Weather data for Tamuning-Tumon-Harmon Village Guam is based on climate observations for 2023 year
| Gennaio (°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 | 28.7 | 28.8 | 28.3 | 28.9 | 29.1 | 29.2 | 28.9 | 26.8 | 29.1 | 29.4 | 27 | 28.9 | 27 | 27.3 | 27.9 | 29.6 | 29.4 | 30.4 | 29.3 | 28.7 | 30.3 | 29.3 | 30.1 | 29.8 | 30.1 | 29.7 | 29.9 | 30.9 | 29.4 | 30.3 | 30.3 |
| Apparent max temperature | 31.9 | 30.6 | 31.5 | 32.3 | 32.1 | 31.8 | 33.2 | 31.6 | 33.8 | 35.6 | 32.9 | 34.8 | 31.5 | 31.9 | 32.6 | 35.3 | 34.7 | 33.7 | 32.7 | 32.1 | 31.8 | 31.5 | 31.7 | 32.5 | 34.6 | 32.4 | 32.2 | 34.5 | 33.3 | 35.1 | 34.8 |
| Mean temperature | 26.8 | 27.1 | 26.3 | 26.5 | 26.9 | 27.5 | 26.9 | 25.1 | 26 | 25.6 | 25.3 | 25.1 | 25.7 | 25.3 | 26 | 26.8 | 27 | 27.4 | 27.3 | 27.1 | 27.7 | 27.2 | 27.4 | 27.6 | 27.5 | 27.3 | 27.4 | 27.4 | 26.9 | 27.2 | 27.1 |
| Apparent mean temperature | 28.1 | 29.2 | 28.9 | 28.4 | 27.1 | 29.7 | 29.4 | 28.2 | 29.3 | 28.7 | 28.6 | 27.6 | 28.4 | 27.6 | 28.8 | 28.6 | 29 | 29.1 | 28.9 | 27.8 | 28.1 | 28.2 | 28.4 | 29.4 | 27.8 | 28.1 | 28.5 | 28.8 | 28.5 | 29.1 | 28 |
| Minimum temperature | 24.3 | 26 | 24.9 | 24.9 | 25.1 | 26.1 | 25.2 | 23.8 | 24.7 | 23.5 | 24.2 | 23.3 | 24.5 | 23.7 | 24.4 | 24 | 25.6 | 25.7 | 25.7 | 26.2 | 26.1 | 25.6 | 25.8 | 26.3 | 25.8 | 25.5 | 25.3 | 25.1 | 24.4 | 25.3 | 24.9 |
| Apparent min temperature | 30 | 29.9 | 30 | 29.8 | 30.1 | 30.5 | 30.8 | 29.7 | 30.6 | 31.1 | 30.1 | 30.3 | 29.6 | 29.6 | 30.9 | 31.5 | 30.7 | 30.3 | 30.5 | 29.5 | 29.4 | 29.4 | 29.4 | 30.5 | 30.5 | 30 | 29.7 | 30.7 | 30.4 | 31.1 | 30.5 |
| Gennaio | 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) | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 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) | 9.6 | 8.8 | 10.5 | 10.6 | 10.6 | 10.6 | 8.6 | 2.2 | 7.3 | 8.4 | 3 | 7.1 | 2.7 | 3.2 | 9.3 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 9.8 | 10.8 | 10.5 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 |
| Precipitation (mm) | 7.1 | 3.9 | 2.3 | 5.5 | 2.4 | 0.3 | 2.7 | 26.6 | 17.7 | 16.9 | 39.4 | 17.1 | 4.3 | 8.6 | 1.8 | 11.4 | 0.7 | 0.1 | 1.1 | 2.9 | 0 | 0 | 1.3 | 0.1 | 0 | 0.7 | 0.3 | 0.2 | 1.4 | 0.1 | 0.5 |
| Precipitation hours | 17 | 8 | 12 | 16 | 11 | 3 | 12 | 22 | 17 | 16 | 10 | 20 | 21 | 14 | 10 | 16 | 5 | 1 | 6 | 5 | 0 | 0 | 10 | 1 | 0 | 5 | 2 | 1 | 9 | 1 | 3 |
| Wind speed (m/s) | 25.1 | 25.1 | 18.9 | 22.9 | 22.6 | 22.7 | 20.3 | 18 | 17.4 | 10.7 | 15.6 | 13.2 | 20.7 | 15.4 | 14.4 | 15.4 | 16.6 | 17.1 | 21.3 | 22.7 | 23.7 | 24.9 | 25.5 | 22.3 | 25.9 | 28 | 25.2 | 18.5 | 19.2 | 15 | 23.9 |
In January 2023, the highest daytime temperature in Tamuning-Tumon-Harmon Village was 30.9°C.
While the minimum temperature at night dropped to 23.3°C.
The average nighttime and daytime temperatures during January in Tamuning-Tumon-Harmon Village are 25°C and 29.1°C respectively.
The precipitation sum in January is about 177 mm.