Average temperature in December is 16.2 °C
Average daytime temperature is 17 °C
Average night temperature is 15.2 °C
Absolute maximum temperature: 21.6 °C
Absolute minimum temperature: 12.5 °C
Number of sunny days: 10
Number of rainy days: 21
Number of snow days:
Precipitation sum: 50 mm
* Weather data for Mellieħa Malta 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 | 20.6 | 21.6 | 17.7 | 16.7 | 17.3 | 17.2 | 16.2 | 17.1 | 16.7 | 17.7 | 17.9 | 18.7 | 19 | 18.3 | 15.4 | 14.9 | 17.2 | 16 | 16 | 15.6 | 16.1 | 16.9 | 16.6 | 16.3 | 16.3 | 15.9 | 15.4 | 15.7 | 16.9 | 16.7 | 16.9 |
| Apparent max temperature | 18.4 | 18.6 | 13.6 | 14.8 | 13.1 | 12.6 | 11.9 | 14.1 | 11.6 | 12.8 | 15.2 | 18.3 | 18.4 | 19.4 | 12.3 | 12.2 | 12.4 | 10.2 | 11.9 | 11.4 | 11.5 | 9.4 | 11 | 10.1 | 11.8 | 12.9 | 14.3 | 14.7 | 15.2 | 17.3 | 15.9 |
| Mean temperature | 20.2 | 19.8 | 16.9 | 15.7 | 16.4 | 16 | 15.8 | 15.6 | 15 | 16.4 | 17.2 | 18.4 | 18.6 | 16.9 | 14.3 | 14.2 | 15.2 | 15 | 15.1 | 14.4 | 15.2 | 16.3 | 16.2 | 16.1 | 15.7 | 15.4 | 15 | 15.4 | 16 | 15.8 | 16.5 |
| Apparent mean temperature | 17.3 | 13 | 11.3 | 11.5 | 10.1 | 10.7 | 10 | 9.6 | 8.6 | 11 | 11 | 14.9 | 16.1 | 10.7 | 8.1 | 9.4 | 6.9 | 8.4 | 10 | 9.1 | 9.2 | 7.3 | 8.6 | 9 | 10.2 | 11.8 | 11.5 | 13 | 14 | 14.5 | 14.4 |
| Minimum temperature | 19.7 | 17.6 | 16 | 15.2 | 15.2 | 15.1 | 14.9 | 14.2 | 13.1 | 14.7 | 16.7 | 18 | 18.3 | 15.1 | 12.8 | 12.5 | 13.7 | 14.2 | 14 | 12.6 | 14.4 | 15.3 | 16 | 15.8 | 15.1 | 15 | 14.8 | 14.9 | 15.5 | 15.2 | 16 |
| Apparent min temperature | 18 | 16.5 | 12.2 | 13.3 | 11.6 | 11.7 | 10.9 | 12.2 | 10.2 | 11.8 | 13.4 | 16.2 | 17.3 | 14.8 | 10.7 | 10.8 | 9.1 | 9.4 | 10.8 | 10.4 | 10.3 | 8.4 | 9.9 | 9.6 | 11.2 | 12.4 | 13 | 13.7 | 14.8 | 15.7 | 15.2 |
| 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) | 9.9 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 |
| Sunshine duration (h) | 8.6 | 8.2 | 6.2 | 8.6 | 2.8 | 3.1 | 8.3 | 7.3 | 7.5 | 6.3 | 8.6 | 8.5 | 8.4 | 8.4 | 8.3 | 8.4 | 6.6 | 1.5 | 5 | 7.4 | 5.8 | 7 | 7.3 | 7.9 | 8.4 | 8.3 | 8.1 | 7 | 0.7 | 6.8 | 7.2 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0.2 | 3.2 | 1.7 | 0.7 | 4.8 | 10.8 | 0.3 | 0.1 | 0.1 | 0 | 0.4 | 4.2 | 1.9 | 2.9 | 12.4 | 0.4 | 4.3 | 0.2 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0.2 |
| Precipitation hours | 0 | 0 | 1 | 2 | 15 | 8 | 3 | 7 | 14 | 2 | 1 | 1 | 0 | 2 | 15 | 12 | 14 | 17 | 3 | 9 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 |
| Wind speed (m/s) | 33 | 37.7 | 37.7 | 26.9 | 43.2 | 38.5 | 36.8 | 32.9 | 51.7 | 50.3 | 47.4 | 30 | 31.2 | 36.9 | 36.3 | 28.4 | 57.8 | 45.5 | 34.6 | 35.8 | 42.6 | 65.4 | 53.4 | 50.1 | 42.5 | 26.3 | 24 | 13.5 | 12.3 | 12.7 | 14.6 |
In December 2023, the highest daytime temperature in Mellieħa was 21.6°C.
While the minimum temperature at night dropped to 12.5°C.
The average nighttime and daytime temperatures during December in Mellieħa are 15.2°C and 17°C respectively.
The precipitation sum in December is about 50 mm.