Average annual temperature is 9.3 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -26.9 °C
Number of sunny days: 174 days
Number of rainy days: 171 days
Number of snow days: 20 days
Look at detailed online map of Sŏngsan
* Weather data for Sŏngsan 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) | 5.5 | 7.9 | 18.9 | 22.8 | 26.9 | 30.7 | 30.9 | 31.2 | 28.9 | 19.7 | 19.9 | 9.7 |
| Average daytime temperature (°C) | -2.3 | 3.0 | 10.9 | 14.6 | 20.0 | 23.9 | 27.4 | 26.5 | 24.1 | 16.6 | 5.9 | -1.1 |
| Average temperature (°C) | -6.6 | -2.2 | 4.7 | 8.6 | 14.6 | 18.8 | 23.1 | 22.5 | 19.3 | 11.5 | 1.3 | -5.1 |
| Average night temperature (°C) | -10.8 | -5.7 | 0.0 | 3.8 | 9.9 | 14.5 | 19.8 | 19.5 | 15.8 | 7.4 | -2.1 | -9.5 |
| Absolute minimum temperature (°C) | -22.7 | -9.7 | -8.1 | -2.4 | 3.3 | 10.8 | 15.2 | 14.8 | 9.1 | 1.2 | -11.3 | -26.9 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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 | 8.4 | 9.5 | 8.1 | 9.3 | 9.5 | 8.2 | 7.3 | 7.9 | 8.4 | 6.5 | 5.4 |
| Precipitation (mm) | 42 | 4 | 24 | 112 | 131 | 251 | 252 | 304 | 76 | 47 | 150 | 81 |
| Sunny days | 19 | 23 | 25 | 10 | 17 | 9 | 6 | 3 | 12 | 21 | 13 | 16 |
| Rainy days | 3 | 1 | 6 | 20 | 14 | 21 | 25 | 28 | 18 | 10 | 15 | 10 |
| Snow days | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Sŏngsan is at