Average annual temperature is 10.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -24.7 °C
Number of sunny days: 196 days
Number of rainy days: 151 days
Number of snow days: 18 days
Look at detailed online map of Sŏngnam-ni
* Weather data for Sŏngnam-ni 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) | 10.7 | 10.7 | 19.7 | 20.8 | 28.4 | 31.0 | 33.6 | 33.5 | 30.1 | 21.7 | 21.1 | 13.0 |
| Average daytime temperature (°C) | -1.0 | 3.0 | 12.0 | 15.2 | 21.8 | 25.1 | 28.7 | 26.5 | 23.8 | 18.5 | 7.6 | -0.3 |
| Average temperature (°C) | -5.6 | -1.6 | 5.6 | 9.8 | 16.0 | 19.9 | 24.2 | 23.0 | 19.3 | 12.6 | 2.7 | -4.5 |
| Average night temperature (°C) | -9.8 | -5.8 | 0.3 | 5.4 | 10.8 | 15.6 | 20.8 | 20.4 | 15.9 | 7.8 | -1.0 | -8.6 |
| Absolute minimum temperature (°C) | -23.2 | -12.9 | -6.5 | 1.0 | 2.5 | 11.1 | 18.1 | 15.6 | 9.5 | 2.4 | -9.1 | -24.7 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 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) | 6.9 | 7.7 | 9.0 | 8.5 | 9.7 | 9.8 | 8.7 | 5.7 | 7.8 | 8.8 | 6.6 | 5.4 |
| Precipitation (mm) | 54 | 16 | 23 | 122 | 97 | 201 | 182 | 481 | 89 | 26 | 118 | 151 |
| Sunny days | 21 | 21 | 25 | 17 | 18 | 11 | 10 | 4 | 10 | 23 | 17 | 19 |
| Rainy days | 3 | 1 | 6 | 13 | 13 | 19 | 21 | 27 | 20 | 8 | 12 | 8 |
| Snow days | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Sŏngnam-ni is at