Average annual temperature is 10.0 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -24.6 °C
Number of sunny days: 197 days
Number of rainy days: 147 days
Number of snow days: 21 days
Look at detailed online map of Sŏyang
* Weather data for Sŏyang 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) | 8.9 | 9.4 | 18.5 | 21.3 | 28.1 | 30.9 | 32.0 | 31.7 | 30.8 | 22.4 | 20.4 | 11.7 |
| Average daytime temperature (°C) | -2.6 | 3.7 | 10.5 | 15.6 | 21.5 | 25.2 | 28.3 | 28.3 | 26.0 | 18.1 | 6.2 | -1.3 |
| Average temperature (°C) | -7.9 | -1.5 | 4.1 | 9.9 | 16.2 | 20.3 | 24.3 | 24.6 | 21.0 | 12.7 | 1.7 | -5.9 |
| Average night temperature (°C) | -13.7 | -5.5 | -1.2 | 4.8 | 11.2 | 16.0 | 21.2 | 21.6 | 16.8 | 8.4 | -2.0 | -10.5 |
| Absolute minimum temperature (°C) | -24.6 | -9.3 | -6.2 | -1.1 | 5.6 | 11.6 | 18.9 | 15.2 | 10.4 | 1.8 | -8.2 | -22.2 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.7 | 7.6 | 8.7 | 8.9 | 9.3 | 10.0 | 8.4 | 7.4 | 9.7 | 8.1 | 6.3 | 6.1 |
| Precipitation (mm) | 29 | 3 | 28 | 106 | 135 | 190 | 246 | 416 | 59 | 87 | 113 | 50 |
| Sunny days | 18 | 25 | 20 | 16 | 18 | 10 | 12 | 6 | 16 | 20 | 18 | 18 |
| Rainy days | 2 | 2 | 10 | 14 | 13 | 20 | 19 | 25 | 14 | 11 | 9 | 8 |
| Snow days | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
The largest precipitation sum in Sŏyang is at