Average annual temperature is 9.1 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 163 days
Number of rainy days: 175 days
Number of snow days: 27 days
Look at detailed online map of Hadŏk
* Weather data for Hadŏk South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.1 | 9.1 | 19.4 | 22.6 | 25.8 | 28.5 | 30.7 | 31.0 | 26.7 | 18.4 | 19.4 | 12.0 |
| Average daytime temperature (°C) | -1.4 | 3.0 | 11.1 | 13.8 | 19.3 | 23.4 | 27.1 | 26.7 | 22.6 | 15.5 | 6.6 | 0.4 |
| Average temperature (°C) | -5.7 | -1.9 | 4.6 | 8.1 | 14.1 | 18.4 | 22.7 | 22.3 | 18.2 | 10.0 | 1.9 | -3.7 |
| Average night temperature (°C) | -9.8 | -5.2 | -0.4 | 3.4 | 9.3 | 14.0 | 19.2 | 19.0 | 14.8 | 5.3 | -2.1 | -7.2 |
| Absolute minimum temperature (°C) | -21.9 | -9.2 | -8.5 | -4.3 | 1.9 | 10.3 | 15.9 | 14.2 | 8.0 | -0.1 | -11.9 | -19.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.9 | 9.1 | 7.6 | 9.5 | 9.8 | 8.2 | 8.5 | 7.4 | 8.2 | 6.8 | 5.8 |
| Precipitation (mm) | 42 | 4 | 24 | 101 | 105 | 204 | 279 | 315 | 145 | 14 | 90 | 92 |
| Sunny days | 19 | 19 | 20 | 13 | 16 | 6 | 4 | 7 | 8 | 18 | 16 | 17 |
| Rainy days | 3 | 0 | 10 | 17 | 15 | 24 | 27 | 24 | 22 | 13 | 12 | 8 |
| Snow days | 9 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The largest precipitation sum in Hadŏk is at