Average annual temperature is 3.6 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: -32.6 °C
Number of sunny days: 166 days
Number of rainy days: 152 days
Number of snow days: 47 days
Look at detailed online map of Hyesan-si
* Weather data for Hyesan-si North 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) | 3.4 | 6.7 | 16.4 | 20.6 | 25.7 | 27.2 | 28.5 | 28.8 | 24.9 | 15.6 | 17.5 | 8.0 |
| Average daytime temperature (°C) | -9.7 | -3.0 | 6.6 | 10.2 | 17.6 | 20.7 | 24.8 | 23.5 | 20.1 | 11.7 | 0.4 | -6.8 |
| Average temperature (°C) | -15.1 | -8.7 | -0.9 | 3.6 | 10.4 | 14.8 | 19.2 | 18.9 | 13.8 | 4.8 | -5.1 | -12.8 |
| Average night temperature (°C) | -21.6 | -14.1 | -6.7 | -1.9 | 3.3 | 9.2 | 14.3 | 15.4 | 8.7 | -0.3 | -9.4 | -17.5 |
| Absolute minimum temperature (°C) | -32.6 | -19.7 | -20.9 | -6.7 | -2.9 | 3.0 | 9.6 | 9.7 | 2.9 | -5.4 | -19.8 | -29.7 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 7.1 | 7.9 | 9.5 | 8.2 | 11.0 | 9.9 | 10.4 | 7.7 | 10.4 | 9.1 | 6.2 | 6.1 |
| Precipitation (mm) | 16 | 8 | 32 | 76 | 67 | 136 | 154 | 304 | 13 | 26 | 50 | 29 |
| Sunny days | 20 | 16 | 20 | 12 | 12 | 7 | 6 | 4 | 16 | 20 | 15 | 18 |
| Rainy days | 1 | 0 | 6 | 16 | 19 | 23 | 25 | 27 | 14 | 10 | 7 | 4 |
| Snow days | 10 | 12 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 9 |
The best time to visit Hyesan-si during the most sunny months:
The largest precipitation sum in Hyesan-si is at