Average annual temperature is 10.4 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -23.7 °C
Number of sunny days: 207 days
Number of rainy days: 146 days
Number of snow days: 12 days
Look at detailed online map of Sŏnam
* Weather data for Sŏnam 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) | 8.0 | 7.9 | 17.7 | 20.8 | 28.3 | 31.0 | 31.5 | 32.8 | 30.1 | 22.0 | 20.5 | 11.9 |
| Average daytime temperature (°C) | -2.1 | 3.7 | 9.8 | 15.3 | 20.9 | 25.1 | 27.9 | 28.4 | 25.9 | 18.0 | 5.8 | -1.9 |
| Average temperature (°C) | -6.5 | -1.2 | 4.5 | 10.2 | 16.3 | 20.7 | 24.5 | 24.8 | 21.2 | 13.5 | 1.8 | -6.0 |
| Average night temperature (°C) | -11.3 | -4.9 | 0.2 | 5.7 | 12.2 | 16.9 | 21.6 | 21.7 | 17.1 | 9.8 | -2.0 | -10.6 |
| Absolute minimum temperature (°C) | -23.2 | -8.6 | -7.3 | -1.3 | 8.0 | 12.2 | 19.2 | 16.5 | 9.8 | 3.6 | -9.3 | -23.7 |
| 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 | 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 | 15.0 | 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) | 7.0 | 8.0 | 9.2 | 8.7 | 9.0 | 10.3 | 8.4 | 8.3 | 10.0 | 7.9 | 6.6 | 6.2 |
| Precipitation (mm) | 27 | 4 | 7 | 97 | 127 | 82 | 237 | 333 | 31 | 55 | 82 | 47 |
| Sunny days | 21 | 27 | 23 | 15 | 19 | 10 | 9 | 6 | 19 | 18 | 19 | 21 |
| Rainy days | 3 | 1 | 8 | 15 | 12 | 20 | 22 | 25 | 11 | 13 | 9 | 7 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Sŏnam is at