Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -17.9 °C
Number of sunny days: 187 days
Number of rainy days: 167 days
Number of snow days: 11 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) | 11.2 | 10.2 | 22.2 | 24.7 | 29.0 | 32.9 | 33.0 | 33.8 | 31.6 | 22.7 | 22.7 | 14.7 |
| Average daytime temperature (°C) | 1.7 | 6.1 | 14.0 | 17.5 | 23.0 | 26.5 | 29.4 | 29.5 | 26.8 | 19.3 | 9.2 | 3.5 |
| Average temperature (°C) | -3.4 | 0.2 | 6.9 | 11.4 | 17.1 | 21.5 | 25.4 | 25.4 | 21.9 | 13.5 | 4.3 | -1.0 |
| Average night temperature (°C) | -7.8 | -3.9 | 1.2 | 6.0 | 11.9 | 17.2 | 22.3 | 22.0 | 18.0 | 8.8 | 0.1 | -4.8 |
| Absolute minimum temperature (°C) | -17.9 | -6.8 | -5.0 | -1.5 | 4.6 | 12.9 | 18.9 | 16.0 | 12.3 | 2.6 | -7.6 | -15.5 |
| 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 | 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 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 7.1 | 8.5 | 9.1 | 7.1 | 9.3 | 9.3 | 8.0 | 8.0 | 7.7 | 8.2 | 6.6 | 6.1 |
| Precipitation (mm) | 39 | 3 | 19 | 122 | 166 | 177 | 323 | 292 | 98 | 29 | 94 | 77 |
| Sunny days | 21 | 25 | 22 | 12 | 20 | 8 | 7 | 5 | 13 | 21 | 15 | 18 |
| Rainy days | 4 | 3 | 9 | 18 | 11 | 22 | 24 | 26 | 17 | 10 | 13 | 10 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Sŏnghyŏn is at