Average temperature in December is 9.6 °C
Average daytime temperature is 11.3 °C
Average night temperature is 7.7 °C
Absolute maximum temperature: 14 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 3
Number of rainy days: 28
Number of snow days:
Precipitation sum: 166 mm
* Weather data for Truro United Kingdom 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 | 4.6 | 6.6 | 10.5 | 9.8 | 8.2 | 10.6 | 12.5 | 11.7 | 14 | 13.4 | 13 | 11.8 | 9.6 | 12 | 11.7 | 12.2 | 12.1 | 13.3 | 12.9 | 11.6 | 12.2 | 11.6 | 11.6 | 12.6 | 12.6 | 11.2 | 13.3 | 12 | 10.9 | 12.1 | 9.2 |
| Apparent max temperature | 0.8 | 2.6 | 7.5 | 7.4 | 4.2 | 5.8 | 9.4 | 7.3 | 10.2 | 9.7 | 10.8 | 9.3 | 5.1 | 9.1 | 9.9 | 9.9 | 8.5 | 10.5 | 10.3 | 6.9 | 7.1 | 6.1 | 7 | 8.7 | 9.9 | 8.3 | 8 | 5.9 | 6.1 | 6.8 | 3.5 |
| Mean temperature | 1.4 | 2.3 | 8 | 8 | 6.9 | 7.8 | 11.4 | 10 | 11.6 | 11.5 | 11 | 9.9 | 8.8 | 9.9 | 9 | 10.9 | 10.4 | 11.9 | 10.8 | 10.3 | 11.6 | 10.6 | 10.7 | 12.3 | 11.9 | 9.6 | 11.5 | 10.7 | 9.5 | 9.6 | 8.2 |
| Apparent mean temperature | -5.8 | -6.9 | 2.3 | -0.4 | 0.6 | 1.8 | 6.2 | 5.3 | 3.5 | 5.3 | 5.8 | 5.5 | 3.3 | 4.5 | 2.8 | 7.2 | 6.7 | 6.6 | 3.5 | 3.8 | 4.3 | 3.4 | 5.1 | 7.2 | 6.2 | 5.7 | 3.5 | 4.5 | 4 | 3.6 | -0.5 |
| Minimum temperature | -1.6 | -2.6 | 5.2 | 6.8 | 4.2 | 4.4 | 9.2 | 9 | 10.1 | 9.7 | 8.5 | 8.3 | 7.2 | 7.8 | 5.6 | 9.4 | 9.4 | 9.3 | 8.7 | 8.7 | 11.3 | 10.1 | 10.1 | 11.8 | 9.6 | 7.9 | 9.8 | 9.7 | 8 | 7.3 | 7.2 |
| Apparent min temperature | -2.6 | -1.4 | 5.2 | 2.8 | 2.2 | 3.7 | 7.7 | 6.1 | 6.6 | 6.9 | 8.3 | 6.5 | 4.1 | 6.8 | 7.1 | 8.9 | 7.3 | 9 | 6.8 | 5.3 | 5.4 | 4.8 | 6.1 | 8 | 8.5 | 6.8 | 6.1 | 5.2 | 5.1 | 5.6 | 1.1 |
| 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) | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8.1 | 8.1 | 8.1 | 8.1 |
| Sunshine duration (h) | 7 | 4 | 2.2 | 0 | 0.4 | 1.7 | 0 | 6.4 | 4.1 | 5.1 | 6.6 | 5.2 | 5.6 | 2.6 | 4 | 0 | 3.6 | 0.2 | 0 | 0.8 | 2 | 3 | 0 | 0 | 0 | 1.3 | 0 | 5.4 | 6.6 | 0 | 4.6 |
| Precipitation (mm) | 0.1 | 5.1 | 25.4 | 2.8 | 0.6 | 13.5 | 18.8 | 2.2 | 8.4 | 8.1 | 2.8 | 1.4 | 1.8 | 1.8 | 0 | 0 | 0 | 2 | 11.8 | 0.6 | 0.5 | 0.1 | 1.1 | 5 | 7 | 6.6 | 13 | 2.5 | 1.1 | 14.6 | 7.7 |
| Precipitation hours | 1 | 5 | 15 | 12 | 6 | 9 | 14 | 8 | 13 | 5 | 9 | 9 | 13 | 11 | 0 | 0 | 0 | 5 | 14 | 4 | 3 | 1 | 7 | 16 | 21 | 8 | 15 | 6 | 7 | 16 | 12 |
| Wind speed (m/s) | 19.1 | 21.3 | 33.2 | 44.8 | 33.7 | 35.3 | 32.5 | 28.1 | 41.6 | 37.8 | 30.7 | 28.2 | 33.6 | 23.3 | 11 | 18.1 | 25.3 | 25.2 | 29.6 | 35.3 | 47.5 | 42.2 | 34.8 | 34.3 | 30.6 | 22.8 | 44.6 | 40.3 | 32.9 | 43.6 | 49 |
In December 2023, the highest daytime temperature in Truro was 14°C.
While the minimum temperature at night dropped to -2.6°C.
The average nighttime and daytime temperatures during December in Truro are 7.7°C and 11.3°C respectively.
The precipitation sum in December is about 166 mm.