Average annual temperature is 2.2 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -37.2 °C
Number of sunny days: 154 days
Number of rainy days: 153 days
Number of snow days: 58 days
Look at detailed online map of Sejiyŏn
* Weather data for Sejiyŏn 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) | 4.1 | -0.7 | 10.3 | 16.4 | 23.0 | 25.7 | 26.8 | 25.3 | 23.3 | 13.0 | 12.1 | 3.4 |
| Average daytime temperature (°C) | -12.9 | -8.3 | 1.4 | 6.8 | 14.6 | 18.6 | 22.8 | 21.7 | 18.0 | 9.3 | -2.2 | -9.9 |
| Average temperature (°C) | -16.6 | -12.2 | -3.4 | 2.2 | 9.4 | 13.9 | 18.3 | 17.5 | 12.9 | 4.2 | -6.6 | -14.0 |
| Average night temperature (°C) | -21.0 | -16.8 | -7.6 | -1.6 | 4.9 | 9.9 | 14.7 | 14.5 | 9.0 | 0.6 | -10.7 | -18.1 |
| Absolute minimum temperature (°C) | -35.9 | -27.1 | -21.5 | -8.7 | -0.7 | 4.3 | 10.7 | 10.6 | 1.9 | -6.0 | -24.6 | -37.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 8.2 | 9.2 | 8.4 | 11.1 | 10.3 | 10.2 | 7.5 | 10.0 | 8.8 | 6.2 | 6.3 |
| Precipitation (mm) | 16 | 11 | 36 | 75 | 84 | 122 | 117 | 268 | 18 | 26 | 73 | 32 |
| Sunny days | 18 | 16 | 21 | 8 | 12 | 3 | 2 | 1 | 19 | 21 | 16 | 17 |
| Rainy days | 0 | 2 | 1 | 16 | 18 | 27 | 29 | 30 | 11 | 9 | 7 | 3 |
| Snow days | 13 | 10 | 9 | 6 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 11 |
The best time to visit Sejiyŏn during the most sunny months:
The largest precipitation sum in Sejiyŏn is at