Average annual temperature is 9.8 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -21.8 °C
Number of sunny days: 201 days
Number of rainy days: 136 days
Number of snow days: 28 days
Look at detailed online map of Sansŏng
* Weather data for Sansŏng 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) | 7.8 | 13.8 | 17.9 | 22.8 | 26.5 | 31.8 | 32.1 | 35.2 | 28.3 | 23.3 | 18.5 | 10.6 |
| Average daytime temperature (°C) | -0.5 | 3.5 | 9.8 | 14.2 | 20.9 | 24.9 | 27.4 | 26.7 | 23.9 | 18.7 | 8.5 | -0.3 |
| Average temperature (°C) | -5.4 | -1.5 | 3.9 | 8.8 | 15.4 | 20.1 | 23.4 | 23.3 | 19.1 | 12.0 | 3.0 | -5.3 |
| Average night temperature (°C) | -9.7 | -5.5 | -0.9 | 3.7 | 10.2 | 15.6 | 19.8 | 20.7 | 14.9 | 6.6 | -0.9 | -8.9 |
| Absolute minimum temperature (°C) | -21.8 | -12.8 | -6.4 | -2.1 | 4.3 | 11.6 | 16.0 | 16.9 | 9.5 | 1.2 | -8.4 | -18.3 |
| 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 | 15.0 | 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) | 6.5 | 7.8 | 9.2 | 8.8 | 10.8 | 10.1 | 9.8 | 6.8 | 9.2 | 9.5 | 6.5 | 5.6 |
| Precipitation (mm) | 23 | 21 | 25 | 59 | 44 | 108 | 94 | 382 | 41 | 10 | 118 | 37 |
| Sunny days | 20 | 18 | 22 | 15 | 17 | 13 | 13 | 8 | 20 | 23 | 14 | 18 |
| Rainy days | 1 | 3 | 9 | 15 | 14 | 17 | 18 | 23 | 10 | 8 | 14 | 4 |
| Snow days | 10 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 |
The best time to visit Sansŏng during the most sunny months:
The largest precipitation sum in Sansŏng is at