Average temperature in December is -11.1 °C
Average daytime temperature is -5.3 °C
Average night temperature is -16.1 °C
Absolute maximum temperature: 8.1 °C
Absolute minimum temperature: -31.8 °C
Number of sunny days: 18
Number of rainy days: 2
Number of snow days: 11
Precipitation sum: 32 mm
* Weather data for Hyesan North Korea 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 | -7.4 | -4.6 | -1.6 | 4.1 | 3.8 | 2.6 | -0.3 | 8.1 | 0.9 | -2.9 | -3.6 | -1.5 | -0.2 | -1.7 | -1.8 | -17.4 | -19.5 | -14.3 | -9.6 | -17.2 | -18.9 | -16.9 | -10.3 | -8.1 | -6.2 | -5.5 | -4.6 | -2.6 | -1.1 | -2.2 | -3.9 |
| Apparent max temperature | -12.5 | -8.8 | -5.5 | -1.1 | 0.2 | -1.2 | -6.9 | 4.4 | -2 | -8.3 | -6.7 | -5.5 | -3.8 | -4.8 | -5.1 | -22.7 | -25.6 | -19 | -14.2 | -23 | -25 | -22.7 | -14.9 | -12.3 | -11.1 | -11.8 | -8.8 | -7.8 | -4.9 | -5.6 | -8.7 |
| Mean temperature | -13 | -9.3 | -8.8 | -4.7 | -4.6 | -4.1 | -5.3 | -0.1 | -5.2 | -8.2 | -7.1 | -9.4 | -6.3 | -2.4 | -9.3 | -22.5 | -23.7 | -19.7 | -16.6 | -22.4 | -23.4 | -20.8 | -16 | -14.4 | -11.5 | -10.7 | -11.4 | -10.6 | -8.7 | -6 | -7.1 |
| Apparent mean temperature | -20 | -17.9 | -16.2 | -13.9 | -12.4 | -16.4 | -14.4 | -9.8 | -14.3 | -15.6 | -20 | -18.5 | -15.1 | -9.5 | -22.1 | -37.3 | -36 | -29.4 | -28.8 | -31.7 | -31.4 | -29.6 | -25.5 | -22.2 | -20.3 | -20 | -19.1 | -18.9 | -17.5 | -13.7 | -14.6 |
| Minimum temperature | -16 | -13.9 | -12.3 | -9.9 | -8.5 | -12.4 | -10.3 | -5.8 | -10 | -11.4 | -15.6 | -14.1 | -11.1 | -5.9 | -17 | -31.8 | -30.5 | -24.7 | -23.7 | -27 | -26.8 | -25.3 | -21.1 | -17.8 | -16 | -15.9 | -15 | -14.9 | -13.4 | -9.7 | -10.9 |
| Apparent min temperature | -17.3 | -13.6 | -12.8 | -8.5 | -8.1 | -8.3 | -10 | -3.4 | -9.6 | -12.6 | -11 | -13.4 | -10 | -5.9 | -13.5 | -28.4 | -29 | -24.1 | -21.5 | -27.6 | -28.7 | -25.7 | -20.2 | -18.7 | -15.8 | -15.7 | -15.5 | -14.9 | -12.7 | -9.5 | -11.5 |
| 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) | 9.4 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 |
| Sunshine duration (h) | 8.4 | 7 | 8.3 | 8.3 | 8.3 | 2.4 | 8.3 | 8.2 | 5.9 | 7.3 | 0.8 | 8.2 | 7.8 | 0.7 | 0 | 2.8 | 8.1 | 8.1 | 6.6 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 1.3 | 8.1 | 8.1 | 8.1 | 0.1 | 0.2 |
| Precipitation (mm) | 0 | 1 | 0 | 0.3 | 0 | 2.2 | 0 | 1.9 | 0 | 0 | 8.5 | 0 | 0 | 8.4 | 6.2 | 0.7 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.1 | 0 | 0 | 0 | 1.6 | 0.3 |
| Precipitation hours | 0 | 5 | 0 | 3 | 0 | 9 | 0 | 6 | 0 | 0 | 17 | 0 | 0 | 21 | 24 | 6 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 12 | 3 |
| Wind speed (m/s) | 10.9 | 10.1 | 5.2 | 14.5 | 4.2 | 16.5 | 22.7 | 10.3 | 13.2 | 10.3 | 8.4 | 5.2 | 4 | 9.4 | 10.3 | 21.1 | 16.1 | 6.6 | 10.3 | 12.9 | 14.2 | 12.7 | 5.1 | 5.4 | 17.1 | 21.1 | 4.4 | 10.8 | 3.9 | 4.4 | 15.5 |
In December 2023, the highest daytime temperature in Hyesan was 8.1°C.
While the minimum temperature at night dropped to -31.8°C.
The average nighttime and daytime temperatures during December in Hyesan are -16.1°C and -5.3°C respectively.
The precipitation sum in December is about 32 mm.