Average temperature in December is 23.3 °C
Average daytime temperature is 26.9 °C
Average night temperature is 20.7 °C
Absolute maximum temperature: 28.2 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 10
Number of rainy days: 21
Number of snow days:
Precipitation sum: 44 mm
* Weather data for San Marcos Nicaragua 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 | 26.7 | 26.2 | 26.4 | 25.5 | 26.1 | 27.1 | 27.5 | 26.6 | 27 | 26.5 | 27.6 | 26.2 | 27.4 | 27.7 | 27 | 27.7 | 27.2 | 26.3 | 25.5 | 25.2 | 27.2 | 28.2 | 27.1 | 27.6 | 27.5 | 28.1 | 27.8 | 27.3 | 25.6 | 28 | 26.7 |
| Apparent max temperature | 27.9 | 27.8 | 28.5 | 27.5 | 26.6 | 28 | 27.7 | 27.4 | 27.1 | 27.6 | 28.9 | 25.9 | 27 | 27 | 28 | 31.2 | 29.5 | 28.2 | 25.1 | 24.4 | 26.3 | 27.4 | 26.4 | 29.2 | 30.9 | 30.9 | 30.8 | 31 | 27.7 | 30.5 | 26 |
| Mean temperature | 23.2 | 23.1 | 23.3 | 22.8 | 23 | 23.4 | 23.3 | 22.7 | 23.6 | 23.7 | 24.2 | 23.6 | 23.6 | 23.7 | 23.2 | 23.8 | 23.6 | 23.1 | 22.2 | 21.7 | 22.3 | 23.8 | 23.8 | 23.5 | 23.9 | 23.9 | 24 | 23.8 | 23.1 | 23.6 | 23 |
| Apparent mean temperature | 21.7 | 22.3 | 22.7 | 22.6 | 21.5 | 21.8 | 20.9 | 21 | 21.7 | 22.9 | 22.6 | 21.8 | 20.5 | 20.5 | 21 | 23.2 | 23.6 | 21.1 | 18.4 | 16.7 | 17.6 | 20.2 | 20.7 | 22.1 | 23.4 | 24.1 | 24 | 23.7 | 24.4 | 23.2 | 19.8 |
| Minimum temperature | 20.9 | 20.7 | 21.1 | 20.9 | 20.7 | 21 | 20.4 | 20.3 | 21.1 | 21.5 | 21.8 | 21.8 | 21.3 | 20.9 | 20.4 | 20.8 | 20.9 | 19.4 | 19.1 | 18.7 | 18.9 | 21.4 | 21.4 | 20.7 | 20.8 | 21.3 | 21 | 20.3 | 21.1 | 21 | 20.5 |
| Apparent min temperature | 24 | 24.5 | 24.8 | 24.5 | 23.8 | 24.4 | 23.4 | 23.4 | 23.8 | 24.6 | 25.6 | 23.7 | 23.2 | 23.2 | 23.9 | 26.3 | 26.2 | 24.7 | 21.6 | 20 | 21.2 | 23.1 | 23.5 | 24.7 | 26.4 | 26.9 | 27 | 26.9 | 26 | 26.1 | 23.4 |
| 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 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 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunshine duration (h) | 10.7 | 10.5 | 10.7 | 10.2 | 10.7 | 10.7 | 10.7 | 10.7 | 10.5 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.3 | 10.2 | 1 | 10.6 | 10.1 |
| Precipitation (mm) | 1.7 | 5.2 | 5.7 | 10.6 | 4.1 | 1.2 | 0 | 3.1 | 1.7 | 1.9 | 1.5 | 0.4 | 0.2 | 0 | 0 | 0 | 1.9 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.6 | 0 | 0.2 | 0.6 | 0.2 | 1.2 | 0.9 | 0.7 |
| Precipitation hours | 16 | 18 | 12 | 22 | 18 | 7 | 0 | 17 | 12 | 8 | 6 | 4 | 2 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 0 | 2 | 6 | 2 | 9 | 6 | 5 |
| Wind speed (m/s) | 33.1 | 27 | 25.7 | 24.1 | 30.1 | 30.5 | 31 | 29.3 | 36.1 | 29.9 | 29.2 | 37.5 | 39.9 | 34.4 | 26.9 | 15.6 | 18.4 | 20.4 | 26.5 | 27.4 | 26.7 | 34.1 | 35.6 | 25 | 17.9 | 17.4 | 13 | 11.6 | 14.1 | 17.1 | 30.2 |
In December 2023, the highest daytime temperature in San Marcos was 28.2°C.
While the minimum temperature at night dropped to 18.7°C.
The average nighttime and daytime temperatures during December in San Marcos are 20.7°C and 26.9°C respectively.
The precipitation sum in December is about 44 mm.