Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 202 days
Number of rainy days: 154 days
Number of snow days: 9 days
Look at detailed online map of Sŏngmun
* Weather data for Sŏngmun South 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) | 11.6 | 11.1 | 20.0 | 22.5 | 28.7 | 29.5 | 31.3 | 32.3 | 26.7 | 20.3 | 21.2 | 13.3 |
| Average daytime temperature (°C) | 1.0 | 5.3 | 13.2 | 15.3 | 20.4 | 24.8 | 27.1 | 27.8 | 23.5 | 16.9 | 8.9 | 3.0 |
| Average temperature (°C) | -3.1 | 0.4 | 7.2 | 10.0 | 15.5 | 20.0 | 23.1 | 23.8 | 19.7 | 12.1 | 4.4 | -0.8 |
| Average night temperature (°C) | -6.7 | -3.1 | 2.1 | 5.2 | 10.9 | 16.1 | 20.2 | 20.7 | 16.7 | 8.1 | 0.3 | -3.9 |
| Absolute minimum temperature (°C) | -19.2 | -8.4 | -6.5 | -1.8 | 3.4 | 12.2 | 16.3 | 17.2 | 10.9 | 1.4 | -9.7 | -15.2 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.5 | 7.8 | 9.2 | 8.6 | 8.9 | 9.8 | 7.7 | 9.3 | 7.5 | 8.8 | 7.8 | 6.7 |
| Precipitation (mm) | 29 | 11 | 38 | 80 | 148 | 224 | 419 | 224 | 221 | 14 | 48 | 89 |
| Sunny days | 24 | 22 | 23 | 16 | 21 | 7 | 5 | 8 | 13 | 23 | 18 | 22 |
| Rainy days | 3 | 4 | 8 | 14 | 10 | 23 | 26 | 23 | 17 | 8 | 11 | 7 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Sŏngmun is at