Average annual temperature is 11.6 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -17.2 °C
Number of sunny days: 179 days
Number of rainy days: 161 days
Number of snow days: 25 days
Look at detailed online map of Sŏsan
* Weather data for Sŏsan 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) | 9.1 | 9.6 | 20.6 | 22.9 | 27.9 | 32.1 | 31.9 | 32.5 | 30.1 | 22.5 | 22.2 | 14.7 |
| Average daytime temperature (°C) | 0.0 | 4.5 | 11.9 | 16.4 | 22.7 | 26.0 | 28.7 | 28.6 | 25.9 | 18.7 | 8.3 | 2.2 |
| Average temperature (°C) | -4.4 | -0.5 | 5.9 | 10.9 | 17.1 | 21.0 | 24.8 | 24.9 | 21.4 | 14.2 | 4.5 | -1.5 |
| Average night temperature (°C) | -9.0 | -4.1 | 1.1 | 6.8 | 12.6 | 16.9 | 21.8 | 21.9 | 17.8 | 10.5 | 0.8 | -4.9 |
| Absolute minimum temperature (°C) | -17.2 | -7.1 | -5.2 | 0.4 | 6.8 | 13.1 | 18.8 | 16.7 | 12.9 | 5.8 | -6.7 | -14.5 |
| 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 | 14.2 | 14.8 | 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) | 7.0 | 8.3 | 9.2 | 7.9 | 8.9 | 9.4 | 8.3 | 8.1 | 8.1 | 8.6 | 6.2 | 4.5 |
| Precipitation (mm) | 24 | 3 | 15 | 85 | 110 | 160 | 214 | 268 | 60 | 79 | 160 | 82 |
| Sunny days | 15 | 27 | 24 | 16 | 18 | 8 | 9 | 5 | 11 | 20 | 14 | 12 |
| Rainy days | 6 | 1 | 6 | 14 | 13 | 22 | 22 | 26 | 19 | 11 | 12 | 9 |
| Snow days | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 10 |
The largest precipitation sum in Sŏsan is at