Average annual temperature is 9.2 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -31.2 °C
Number of sunny days: 162 days
Number of rainy days: 168 days
Number of snow days: 35 days
Look at detailed online map of Namsŏng
* Weather data for Namsŏng 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) | 10.2 | 5.0 | 17.6 | 21.9 | 26.0 | 30.4 | 30.5 | 30.8 | 28.3 | 18.9 | 17.9 | 7.7 |
| Average daytime temperature (°C) | -4.6 | 0.1 | 9.5 | 14.0 | 20.3 | 23.7 | 27.5 | 26.6 | 24.1 | 16.1 | 4.9 | -2.3 |
| Average temperature (°C) | -9.1 | -4.7 | 4.4 | 9.2 | 15.8 | 19.8 | 23.8 | 23.5 | 20.0 | 11.9 | 1.0 | -6.0 |
| Average night temperature (°C) | -14.6 | -10.2 | 0.0 | 5.2 | 11.8 | 16.3 | 20.8 | 20.9 | 16.5 | 8.5 | -2.3 | -10.7 |
| Absolute minimum temperature (°C) | -29.8 | -18.8 | -17.3 | -1.5 | 5.9 | 11.5 | 18.6 | 16.0 | 10.1 | 2.0 | -11.9 | -31.2 |
| 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 | 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 | 11.1 | 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) | 6.4 | 8.3 | 8.9 | 8.2 | 10.3 | 10.0 | 9.5 | 6.8 | 9.8 | 8.8 | 6.3 | 5.3 |
| Precipitation (mm) | 38 | 7 | 55 | 129 | 154 | 205 | 255 | 443 | 55 | 53 | 138 | 60 |
| Sunny days | 13 | 23 | 19 | 13 | 16 | 8 | 7 | 2 | 13 | 15 | 16 | 17 |
| Rainy days | 3 | 1 | 9 | 17 | 15 | 22 | 24 | 29 | 17 | 16 | 10 | 5 |
| Snow days | 15 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 9 |
The best time to visit Namsŏng during the most sunny months:
The largest precipitation sum in Namsŏng is at