Average temperature in December is 28.3 °C
Average daytime temperature is 32.2 °C
Average night temperature is 25.1 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 22.5 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 29 mm
* Weather data for Semi Benin 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 | 30.6 | 30.4 | 30.8 | 30.9 | 31.1 | 29.3 | 30 | 31.7 | 31.5 | 31 | 31.6 | 31.2 | 32.5 | 33.3 | 33.6 | 32.3 | 33.1 | 33.2 | 31.8 | 33.8 | 33.3 | 33.9 | 33.5 | 34.5 | 33.6 | 32.7 | 32.7 | 32.7 | 32.6 | 32.3 | 32.8 |
| Apparent max temperature | 36.1 | 36.1 | 37.1 | 36.5 | 36.9 | 34.1 | 34.7 | 36.7 | 37 | 36.5 | 36.5 | 36.6 | 32.6 | 34.3 | 35.4 | 36.7 | 37.4 | 36.9 | 36.6 | 38.1 | 35.8 | 36.9 | 37.6 | 38.5 | 38 | 37 | 37.7 | 37.5 | 37.3 | 37.5 | 37.3 |
| Mean temperature | 28.3 | 28.3 | 28.2 | 28.4 | 28.3 | 27.2 | 28 | 28.5 | 28.2 | 28.4 | 28.5 | 27.5 | 27.5 | 27.8 | 28 | 27.8 | 28.1 | 28.4 | 28.5 | 28.9 | 28.5 | 28.8 | 28.8 | 28.8 | 28.4 | 28.8 | 28.4 | 28.3 | 28.4 | 28.7 | 28.8 |
| Apparent mean temperature | 31.8 | 31.7 | 31.9 | 31.9 | 31.3 | 30.5 | 31.2 | 31.4 | 31.1 | 31 | 31 | 28.1 | 23 | 24.5 | 24.7 | 26.2 | 28.5 | 29.5 | 31.3 | 30.4 | 28.1 | 28.2 | 29.3 | 30 | 29.8 | 30.5 | 30.1 | 29.6 | 29 | 30.7 | 31.9 |
| Minimum temperature | 26.5 | 26.9 | 26.8 | 26.1 | 25.7 | 26.2 | 26.7 | 26.9 | 25.5 | 25.5 | 26.2 | 23.7 | 22.7 | 22.5 | 22.5 | 22.9 | 24 | 24.6 | 25.4 | 25.2 | 24.2 | 24.5 | 24.8 | 24.9 | 24.7 | 25.4 | 25 | 25 | 24.5 | 25.7 | 26.2 |
| Apparent min temperature | 33.1 | 33.1 | 33.4 | 33.4 | 33.5 | 31.9 | 32.7 | 33.2 | 33.4 | 33.6 | 33.3 | 31.5 | 28.2 | 29.9 | 30.4 | 32 | 32.6 | 32.6 | 33.4 | 33.4 | 31.3 | 32.5 | 33.2 | 33.5 | 33.2 | 33.4 | 33.4 | 33.1 | 33 | 33.5 | 33.7 |
| 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunshine duration (h) | 10.8 | 10.5 | 10.3 | 10.9 | 10.8 | 9.8 | 10.5 | 10.6 | 10.7 | 10.6 | 10.5 | 7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.2 | 10 | 10.3 | 10.3 | 10.4 | 10.3 | 10.3 | 10.3 | 9.5 | 10 | 10 | 10.1 | 10.2 | 9.7 | 10.1 |
| Precipitation (mm) | 2.3 | 1.9 | 4.8 | 1 | 1.8 | 5.9 | 0.6 | 1.2 | 1.4 | 1.8 | 0.8 | 2.4 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.6 | 0 | 0 | 0 | 0.2 | 0.3 | 0 | 0 | 0.3 | 0.4 | 0 | 0.3 | 1.1 |
| Precipitation hours | 8 | 8 | 8 | 8 | 4 | 4 | 5 | 4 | 4 | 9 | 4 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 2 | 0 | 3 | 2 |
| Wind speed (m/s) | 16.6 | 14.4 | 16.1 | 12.8 | 15.5 | 16.6 | 16.3 | 16 | 15.2 | 14.3 | 17.3 | 12.9 | 14.5 | 14.4 | 15.6 | 13.7 | 15.9 | 20.7 | 15.8 | 16.3 | 15.3 | 15.3 | 15.5 | 17 | 17.7 | 16.4 | 14.8 | 17 | 15.5 | 15.4 | 16.1 |
In December 2023, the highest daytime temperature in Semi was 34.5°C.
While the minimum temperature at night dropped to 22.5°C.
The average nighttime and daytime temperatures during December in Semi are 25.1°C and 32.2°C respectively.
The precipitation sum in December is about 29 mm.