Average temperature in December is 25.8 °C
Average daytime temperature is 29.2 °C
Average night temperature is 23.4 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 22.1 °C
Number of sunny days:
Number of rainy days: 31
Number of snow days:
Precipitation sum: 386 mm
* Weather data for Galle Sri Lanka 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 | 29.1 | 28.4 | 27.3 | 26.6 | 27.1 | 28.3 | 29.4 | 27.7 | 29.1 | 29.3 | 29.7 | 28.3 | 29.8 | 29.3 | 28.1 | 28 | 29.1 | 28.4 | 29.6 | 30.6 | 31.1 | 29.2 | 30.2 | 30.9 | 31.8 | 29.3 | 30 | 28.8 | 29.7 | 30.4 | 29.3 |
| Apparent max temperature | 33.8 | 31.9 | 31.3 | 30.9 | 33.1 | 33.7 | 36.6 | 33.2 | 36 | 35.5 | 35.6 | 33.6 | 36 | 36.6 | 33.7 | 33.6 | 34 | 34 | 37.8 | 36.4 | 36.1 | 35.9 | 36.6 | 37.8 | 36.4 | 36.8 | 37.7 | 31.6 | 35.5 | 37.1 | 37.1 |
| Mean temperature | 25.8 | 26.5 | 25.6 | 25.3 | 25.5 | 25.9 | 26.3 | 25.1 | 25.5 | 25.4 | 25 | 25.3 | 26.2 | 25.5 | 25.3 | 25.3 | 26.3 | 25.4 | 25.5 | 26.3 | 26.7 | 25.9 | 26.4 | 26.2 | 26.3 | 26.4 | 26.7 | 26.2 | 25.7 | 25.6 | 25.9 |
| Apparent mean temperature | 27.9 | 28 | 27.9 | 28 | 28.3 | 29.2 | 28 | 27.6 | 27.5 | 27.4 | 25.7 | 26.6 | 27.4 | 28.3 | 28.5 | 27.7 | 27.7 | 28.1 | 28.2 | 28 | 27.9 | 27.6 | 27.7 | 27 | 26.7 | 26.6 | 27.7 | 27.2 | 26.5 | 28 | 28.2 |
| Minimum temperature | 24.1 | 24.7 | 24.2 | 23.7 | 23.5 | 24.1 | 23.7 | 23.2 | 23.1 | 22.9 | 22.1 | 22.5 | 23.1 | 23.7 | 23.7 | 23.5 | 23.6 | 23.4 | 23.2 | 23.4 | 23.1 | 23.4 | 23.2 | 22.8 | 22.6 | 22.5 | 23.9 | 24.6 | 23 | 23.3 | 23.4 |
| Apparent min temperature | 30.3 | 30.4 | 29.8 | 29.9 | 30.5 | 31.1 | 31.6 | 30 | 30.6 | 30.3 | 29.8 | 30.3 | 31.3 | 30.8 | 30.7 | 30.1 | 30.6 | 30.3 | 31.2 | 31.4 | 31.6 | 30.9 | 31.6 | 31.4 | 31 | 32 | 31.5 | 29.2 | 30.2 | 31.2 | 31.1 |
| 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) | 5.2 | 2.9 | 4 | 0.5 | 6.8 | 8.4 | 10.7 | 8.2 | 7.5 | 6.8 | 9.5 | 7.3 | 10.3 | 7.3 | 7 | 5 | 10.1 | 7.6 | 7.5 | 10.9 | 10.9 | 10.9 | 10.8 | 10.9 | 10.9 | 10.9 | 10.1 | 5.5 | 5.8 | 9.4 | 9.8 |
| Precipitation (mm) | 19.1 | 6.3 | 31.1 | 41.9 | 20.8 | 3.5 | 2.8 | 16.3 | 14 | 24.5 | 27.1 | 19.4 | 3.1 | 14.7 | 20.6 | 11.7 | 4.7 | 16.7 | 12 | 2 | 1.5 | 20.2 | 2.4 | 1.9 | 1.8 | 3.7 | 4.3 | 2.1 | 12.5 | 3.9 | 19.3 |
| Precipitation hours | 20 | 12 | 23 | 23 | 23 | 15 | 10 | 13 | 9 | 10 | 14 | 16 | 7 | 18 | 19 | 11 | 13 | 19 | 9 | 5 | 5 | 9 | 5 | 4 | 5 | 6 | 6 | 16 | 14 | 7 | 7 |
| Wind speed (m/s) | 16.7 | 18.7 | 19.8 | 15.6 | 14 | 12.9 | 10.8 | 12.6 | 8.7 | 10.8 | 12.7 | 11.2 | 11.3 | 12.6 | 9.7 | 11 | 19.4 | 11.6 | 13.3 | 19.3 | 19.5 | 12.8 | 9.9 | 11.9 | 20 | 7.6 | 17.9 | 24.1 | 18.4 | 10.6 | 11.7 |
In December 2023, the highest daytime temperature in Galle was 31.8°C.
While the minimum temperature at night dropped to 22.1°C.
The average nighttime and daytime temperatures during December in Galle are 23.4°C and 29.2°C respectively.
The precipitation sum in December is about 386 mm.