Average temperature in January is 23.6 °C
Average daytime temperature is 28 °C
Average night temperature is 19.9 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 9
Number of rainy days: 22
Number of snow days:
Precipitation sum: 65 mm
* Weather data for Lajas Puerto Rico is based on climate observations for 2023 year
| January (°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 | 27.9 | 27.9 | 27.4 | 28.1 | 27.9 | 27.7 | 28.3 | 27 | 27.7 | 27.4 | 27.2 | 27.7 | 27.6 | 27.6 | 27.4 | 27.8 | 28.8 | 28.6 | 27.3 | 27.7 | 28.8 | 27.5 | 28.6 | 27.4 | 27 | 29.7 | 27.4 | 27.5 | 28.5 | 29.5 | 29.9 |
| Apparent max temperature | 29.9 | 31.1 | 31.4 | 30.6 | 29.1 | 27.8 | 32 | 29.1 | 29.3 | 30.1 | 31.4 | 29.9 | 28.6 | 29.9 | 30.8 | 30.3 | 31.4 | 31.1 | 29.4 | 28.6 | 30.2 | 27.7 | 29.4 | 29.4 | 27.6 | 31.8 | 30.4 | 28.4 | 30.4 | 31.2 | 30.9 |
| Mean temperature | 22.9 | 22.8 | 22.9 | 23.3 | 23.9 | 24.1 | 23.7 | 23.3 | 24.3 | 24.6 | 23.6 | 23.9 | 23.5 | 24.8 | 23.7 | 23.7 | 24 | 23.8 | 22.8 | 23.5 | 23.3 | 23.1 | 24.3 | 24 | 23.3 | 23.6 | 22.3 | 23 | 23.6 | 23.9 | 24.5 |
| Apparent mean temperature | 21.5 | 20.9 | 21.7 | 19.4 | 22.8 | 22.6 | 22.2 | 22 | 22.1 | 24.1 | 22.9 | 22.9 | 22.9 | 23.6 | 23.2 | 21.2 | 21 | 19.9 | 20.5 | 21 | 19.1 | 20.6 | 21.4 | 21.6 | 19.1 | 20 | 18.8 | 18.4 | 21 | 22.4 | 22 |
| Minimum temperature | 18.8 | 18.6 | 19.6 | 18.1 | 20.6 | 20.6 | 20.1 | 20.3 | 20.1 | 22.6 | 20.7 | 21.4 | 20.7 | 22.4 | 20.5 | 21.6 | 21.1 | 20.1 | 18.8 | 19.7 | 18.1 | 19.4 | 20.9 | 19.8 | 19 | 18 | 18.2 | 17.8 | 19.5 | 20.1 | 20.4 |
| Apparent min temperature | 25.7 | 25.8 | 25.9 | 25.5 | 25.9 | 25.5 | 26.6 | 25.7 | 25.8 | 26.5 | 26.6 | 26.4 | 25.2 | 26.2 | 26.5 | 23.7 | 24.6 | 23.9 | 24.6 | 25.4 | 24.8 | 24.2 | 24.5 | 25.6 | 24.6 | 25.7 | 24.5 | 24.6 | 25.6 | 26.1 | 25.5 |
| January | 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) | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunshine duration (h) | 10.3 | 10.3 | 10.3 | 9.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 9.8 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.6 | 10.3 | 10.6 | 10.6 | 10.6 |
| Precipitation (mm) | 2.5 | 1.8 | 14.9 | 5.8 | 0.5 | 4 | 6.2 | 3.9 | 0 | 0.5 | 1 | 5.6 | 0.8 | 0 | 1.6 | 0.1 | 0 | 0 | 6.2 | 0 | 0.6 | 0 | 0 | 1.5 | 0.1 | 0 | 6.5 | 0.2 | 0.6 | 0.5 | 0 |
| Precipitation hours | 7 | 4 | 6 | 4 | 2 | 1 | 5 | 7 | 0 | 2 | 6 | 6 | 4 | 0 | 8 | 1 | 0 | 0 | 8 | 0 | 2 | 0 | 0 | 7 | 1 | 0 | 8 | 2 | 3 | 3 | 0 |
| Wind speed (m/s) | 17.1 | 11.6 | 10.9 | 18 | 25.6 | 25.9 | 13 | 22.4 | 24.5 | 18.9 | 8.7 | 15.1 | 26.6 | 20.3 | 15.2 | 22.3 | 19.5 | 18.3 | 16.6 | 27.1 | 21.3 | 27.2 | 28.5 | 18.4 | 24.6 | 17.9 | 11.3 | 18.9 | 14.3 | 13.1 | 18.5 |
In January 2023, the highest daytime temperature in Lajas was 29.9°C.
While the minimum temperature at night dropped to 17.8°C.
The average nighttime and daytime temperatures during January in Lajas are 19.9°C and 28°C respectively.
The precipitation sum in January is about 65 mm.