Average temperature in December is 3.8 °C
Average daytime temperature is 8.5 °C
Average night temperature is -0.4 °C
Absolute maximum temperature: 22.4 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 23
Number of rainy days: 8
Number of snow days:
Precipitation sum: 70 mm
* Weather data for Yancheng China 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 | 7.6 | 10.4 | 10.9 | 13.1 | 16.4 | 14.4 | 18.5 | 21.7 | 22.4 | 12.6 | 9.1 | 6.7 | 10.5 | 12.9 | 5 | -0.6 | -0.6 | 0.8 | 5.1 | -0.2 | -3.5 | -0.9 | 2.7 | 3.7 | 5.8 | 7.6 | 12.3 | 8.5 | 8.7 | 13 | 7.5 |
| Apparent max temperature | 2.8 | 5.6 | 8 | 9.2 | 13.7 | 8.8 | 14.5 | 18.3 | 20.8 | 9.7 | 5.5 | 2.7 | 9.5 | 12.6 | 0.6 | -8 | -5.4 | -2.5 | 0.2 | -6.2 | -10.6 | -6.8 | -1.9 | -1.7 | 1.9 | 4.4 | 10.2 | 6.2 | 6.8 | 9.5 | 3.2 |
| Mean temperature | 1.8 | 2.9 | 4.4 | 6.3 | 10.7 | 7.7 | 12.5 | 14 | 14.6 | 9.9 | 4.8 | 4.5 | 9.3 | 9.8 | 0.5 | -4 | -3.1 | 0 | -0.2 | -4.7 | -6.5 | -4.5 | -2.2 | -2.5 | -0.3 | 3.8 | 5.5 | 4 | 6.1 | 6.5 | 2.1 |
| Apparent mean temperature | -6.5 | -6.9 | -3.1 | -0.9 | 1.3 | -1.1 | 1 | 6.2 | 8.2 | 4.8 | -2.8 | -2.6 | 2 | 0.8 | -11.7 | -13.3 | -12.3 | -6.9 | -11.3 | -14.8 | -14.1 | -12.9 | -9.7 | -10 | -7.9 | -6.2 | -0.9 | -2.1 | -0.4 | -3.6 | -5.9 |
| Minimum temperature | -2.4 | -2.5 | 0.2 | 2.1 | 4.5 | 2.5 | 5.4 | 8.2 | 10.2 | 9 | 2.2 | 2.3 | 4.9 | 5.1 | -4.6 | -7.6 | -6.6 | -2.8 | -5.9 | -8.3 | -8.4 | -7.4 | -5.2 | -5.7 | -3.7 | -2 | 1.7 | 0.8 | 1.9 | 0.5 | -2.3 |
| Apparent min temperature | -2.5 | -1.3 | 1.1 | 3.1 | 7.8 | 3.4 | 8.7 | 11.3 | 12.4 | 6.1 | -0.2 | 1 | 7.7 | 8.2 | -5.4 | -10.5 | -7.8 | -3.7 | -4.9 | -10.6 | -12.8 | -9.5 | -6.7 | -7.2 | -4.5 | 0.5 | 3.1 | 1.6 | 3.9 | 3 | -2.1 |
| 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) | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10 |
| Sunshine duration (h) | 8.9 | 8.9 | 8.8 | 5.2 | 8.9 | 8.2 | 8.8 | 8.8 | 8 | 0 | 0.1 | 4.7 | 0.9 | 0 | 0 | 8.5 | 8.5 | 0 | 7.9 | 8.6 | 8.7 | 8.7 | 8.3 | 8.7 | 8.7 | 6.2 | 8.2 | 0.1 | 3.4 | 8 | 8.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.2 | 0.6 | 0 | 20.3 | 24.9 | 1.7 | 0 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 0.3 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 3 | 0 | 16 | 22 | 12 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 |
| Wind speed (m/s) | 10.9 | 13.3 | 9.7 | 12.6 | 15.5 | 25.6 | 19.5 | 18.5 | 23.4 | 25.6 | 28.2 | 18.9 | 11 | 21.2 | 24.4 | 27 | 14.5 | 11.6 | 16.4 | 18.2 | 24.9 | 15 | 8.8 | 12.4 | 10.3 | 10 | 12.1 | 7.9 | 10.2 | 19.6 | 19.1 |
In December 2023, the highest daytime temperature in Yancheng was 22.4°C.
While the minimum temperature at night dropped to -8.4°C.
The average nighttime and daytime temperatures during December in Yancheng are -0.4°C and 8.5°C respectively.
The precipitation sum in December is about 70 mm.