Average annual temperature is 3.6 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -31.8 °C
Number of sunny days: 185 days
Number of rainy days: 147 days
Number of snow days: 33 days
Look at detailed online map of Sŭngjŏn
* Weather data for Sŭngjŏn 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) | 8.2 | 7.2 | 14.6 | 16.4 | 25.3 | 27.3 | 28.8 | 29.3 | 24.3 | 15.8 | 14.6 | 7.7 |
| Average daytime temperature (°C) | -8.1 | -2.6 | 7.1 | 9.9 | 17.0 | 20.4 | 24.8 | 22.9 | 20.1 | 11.9 | 1.1 | -6.6 |
| Average temperature (°C) | -14.5 | -9.2 | -0.5 | 3.4 | 10.1 | 14.5 | 18.8 | 18.3 | 13.6 | 4.9 | -4.7 | -12.3 |
| Average night temperature (°C) | -19.1 | -14.4 | -6.1 | -1.6 | 3.3 | 9.5 | 14.0 | 15.2 | 8.9 | -0.2 | -9.1 | -16.5 |
| Absolute minimum temperature (°C) | -31.8 | -19.8 | -17.8 | -5.9 | -3.1 | 4.6 | 10.2 | 9.2 | 3.6 | -5.2 | -20.1 | -29.5 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 7.4 | 9.0 | 9.7 | 8.8 | 11.0 | 9.9 | 10.3 | 6.7 | 9.9 | 9.3 | 7.3 | 6.5 |
| Precipitation (mm) | 10 | 6 | 40 | 70 | 59 | 107 | 151 | 345 | 30 | 14 | 53 | 30 |
| Sunny days | 19 | 23 | 21 | 16 | 14 | 6 | 5 | 4 | 18 | 21 | 16 | 22 |
| Rainy days | 2 | 1 | 7 | 12 | 17 | 24 | 26 | 27 | 12 | 9 | 7 | 3 |
| Snow days | 10 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 6 |
The largest precipitation sum in Sŭngjŏn is at