Average annual temperature is 12.2 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 201 days
Number of rainy days: 144 days
Number of snow days: 20 days
Look at detailed online map of Sŏnghyŏn
* Weather data for Sŏnghyŏn 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) | 7.0 | 5.1 | 11.5 | 16.5 | 19.4 | 23.4 | 27.3 | 29.7 | 25.8 | 22.0 | 19.2 | 11.2 |
| Average daytime temperature (°C) | 1.4 | 2.8 | 6.8 | 11.2 | 15.1 | 19.7 | 24.2 | 26.4 | 23.8 | 18.3 | 10.1 | 4.1 |
| Average temperature (°C) | -0.7 | 1.1 | 5.3 | 9.6 | 13.9 | 18.7 | 23.5 | 25.3 | 22.5 | 16.9 | 7.8 | 2.0 |
| Average night temperature (°C) | -3.4 | -0.9 | 3.6 | 8.4 | 12.9 | 17.8 | 22.6 | 24.2 | 21.0 | 15.1 | 5.0 | -0.7 |
| Absolute minimum temperature (°C) | -13.6 | -3.8 | -0.2 | 6.1 | 10.0 | 15.5 | 20.0 | 21.4 | 17.3 | 11.8 | -3.9 | -10.4 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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 | 8.5 | 9.2 | 8.1 | 8.9 | 9.9 | 8.6 | 8.9 | 8.1 | 8.8 | 6.6 | 5.3 |
| Precipitation (mm) | 34 | 6 | 33 | 90 | 112 | 126 | 239 | 207 | 104 | 42 | 105 | 78 |
| Sunny days | 15 | 26 | 23 | 16 | 20 | 15 | 13 | 17 | 12 | 19 | 13 | 12 |
| Rainy days | 5 | 2 | 8 | 14 | 11 | 15 | 18 | 14 | 18 | 12 | 15 | 12 |
| Snow days | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Sŏnghyŏn is at