Average annual temperature is 13.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 199 days
Number of rainy days: 153 days
Number of snow days: 13 days
Look at detailed online map of Sansŏng
* Weather data for Sansŏng 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) | 13.6 | 11.5 | 26.3 | 28.0 | 31.2 | 35.6 | 33.9 | 34.7 | 30.4 | 23.1 | 23.6 | 17.7 |
| Average daytime temperature (°C) | 3.8 | 6.8 | 15.4 | 19.0 | 24.7 | 28.4 | 29.5 | 30.7 | 26.6 | 20.0 | 11.5 | 5.9 |
| Average temperature (°C) | -0.8 | 1.5 | 8.6 | 13.1 | 18.7 | 22.8 | 25.7 | 26.3 | 22.5 | 14.8 | 7.2 | 2.0 |
| Average night temperature (°C) | -4.8 | -2.1 | 3.5 | 8.3 | 13.9 | 18.4 | 22.9 | 23.0 | 19.2 | 10.3 | 3.0 | -1.7 |
| Absolute minimum temperature (°C) | -14.0 | -5.0 | -2.5 | 2.4 | 6.1 | 15.1 | 20.4 | 17.4 | 13.3 | 5.2 | -5.3 | -12.7 |
| 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) | 7.3 | 8.1 | 9.4 | 8.0 | 8.5 | 10.0 | 7.5 | 9.0 | 7.2 | 8.5 | 6.8 | 4.6 |
| Precipitation (mm) | 29 | 2 | 19 | 65 | 108 | 126 | 384 | 235 | 249 | 15 | 81 | 85 |
| Sunny days | 22 | 25 | 24 | 16 | 22 | 16 | 4 | 8 | 10 | 22 | 17 | 13 |
| Rainy days | 5 | 3 | 7 | 14 | 9 | 14 | 27 | 23 | 20 | 9 | 12 | 10 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Sansŏng during the most sunny months:
The largest precipitation sum in Sansŏng is at