Average temperature in December is 10.9 °C
Average daytime temperature is 11.8 °C
Average night temperature is 10 °C
Absolute maximum temperature: 13.7 °C
Absolute minimum temperature: 5.6 °C
Number of sunny days: 5
Number of rainy days: 26
Number of snow days:
Precipitation sum: 138 mm
* Weather data for St Anne Guernsey 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 | 8.7 | 8.8 | 11.5 | 11.5 | 9.5 | 9.3 | 13 | 12.6 | 13.7 | 13.6 | 12.6 | 12.5 | 10.7 | 12 | 12 | 12 | 11.4 | 12.4 | 13 | 12 | 12.2 | 11.9 | 12.2 | 12.7 | 12.7 | 12 | 12.6 | 12.2 | 11.8 | 12.2 | 11 |
| Apparent max temperature | 2.3 | 3.4 | 4.4 | 8.9 | 5 | 6.4 | 8.2 | 7.8 | 7.3 | 6.7 | 9.2 | 8.2 | 6.5 | 8.7 | 8.9 | 8.8 | 6.4 | 6.9 | 6.4 | 4.4 | 5.7 | 5.4 | 5 | 6 | 6.5 | 9.1 | 6.5 | 5.1 | 5.5 | 5.8 | 0.9 |
| Mean temperature | 6.9 | 6.9 | 10.1 | 10.4 | 9 | 8.8 | 10.2 | 12 | 12.4 | 12.5 | 12.3 | 11.4 | 9.6 | 10.5 | 11.3 | 11.1 | 10.1 | 11.4 | 11.7 | 11.1 | 12 | 11.4 | 11.6 | 12.4 | 12.4 | 11.3 | 12.1 | 11.7 | 11.4 | 11.4 | 9.9 |
| Apparent mean temperature | -1.3 | -0.4 | -0.1 | -0.1 | 0.8 | 0.8 | 0.1 | 3.6 | 2.5 | 3.6 | 4.9 | 2.5 | 1.1 | 1.8 | 5.1 | 4.9 | 4 | 4.6 | 3 | 2.8 | 3.7 | 2.4 | 3.5 | 3.7 | 4.8 | 6.4 | 3.5 | 2 | 2.5 | -1 | -2.7 |
| Minimum temperature | 5.6 | 5.9 | 8.3 | 9.5 | 8.4 | 8.4 | 8.5 | 11 | 11.5 | 11.2 | 11.9 | 10.2 | 8.2 | 8 | 10.7 | 10 | 9.3 | 10.7 | 9.8 | 10.2 | 11.6 | 10.9 | 11.2 | 12 | 12.1 | 10.8 | 11.7 | 11.3 | 11.1 | 10.8 | 9 |
| Apparent min temperature | 0.1 | 1.7 | 2.6 | 3.4 | 2.6 | 4 | 2.6 | 5.5 | 4.6 | 5.1 | 7.5 | 5 | 3.2 | 6.3 | 7.1 | 7 | 4.9 | 5.6 | 5.3 | 3.6 | 4.8 | 3.6 | 4.3 | 5.1 | 5.5 | 7.3 | 4.7 | 3 | 4.1 | 4.2 | -0.7 |
| 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) | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.2 | 8.2 | 8.2 |
| Sunshine duration (h) | 7.1 | 7 | 2.8 | 3.7 | 6.4 | 4.7 | 0 | 6.7 | 3.1 | 1.6 | 6.5 | 5.1 | 3.2 | 1.9 | 4.2 | 0 | 6.2 | 0 | 0 | 2.8 | 3.4 | 6.5 | 4.2 | 0 | 0 | 5.3 | 0 | 5.4 | 6.1 | 3.7 | 4.1 |
| Precipitation (mm) | 5.9 | 4.2 | 14.5 | 4.1 | 2.4 | 1.7 | 8.7 | 4.7 | 12.1 | 3 | 1.2 | 13.7 | 2.1 | 2.5 | 0 | 0 | 0 | 0.8 | 7.5 | 0 | 0.1 | 0 | 0.2 | 0.9 | 2.7 | 2 | 5.9 | 6 | 9.2 | 4.4 | 17.4 |
| Precipitation hours | 21 | 18 | 22 | 16 | 12 | 7 | 18 | 16 | 12 | 4 | 5 | 19 | 8 | 6 | 0 | 0 | 0 | 8 | 12 | 0 | 1 | 0 | 2 | 7 | 13 | 6 | 6 | 15 | 15 | 7 | 20 |
| Wind speed (m/s) | 43.3 | 52.1 | 58.9 | 64 | 52.2 | 45.7 | 58.7 | 49.5 | 62.4 | 56.4 | 51.6 | 56.6 | 44.3 | 32.8 | 28.8 | 29.4 | 33.2 | 40.9 | 51.9 | 54.4 | 54.7 | 54.6 | 52.1 | 57.1 | 51.8 | 35.1 | 59.2 | 63.1 | 60.4 | 79.5 | 77.3 |
In December 2023, the highest daytime temperature in St Anne was 13.7°C.
While the minimum temperature at night dropped to 5.6°C.
The average nighttime and daytime temperatures during December in St Anne are 10°C and 11.8°C respectively.
The precipitation sum in December is about 138 mm.