Average annual temperature is 10.7 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 169 days
Number of rainy days: 175 days
Number of snow days: 21 days
Look at detailed online map of Sŏnhak
* Weather data for Sŏnhak 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) | 11.3 | 10.1 | 21.1 | 22.5 | 28.3 | 29.8 | 30.9 | 31.2 | 27.7 | 19.9 | 20.8 | 13.9 |
| Average daytime temperature (°C) | -1.0 | 4.4 | 12.3 | 15.3 | 20.9 | 24.4 | 27.1 | 27.9 | 23.8 | 16.2 | 7.5 | 1.6 |
| Average temperature (°C) | -5.0 | -0.4 | 6.6 | 9.9 | 16.1 | 19.9 | 23.3 | 23.7 | 19.9 | 12.0 | 3.2 | -1.7 |
| Average night temperature (°C) | -9.7 | -3.8 | 1.5 | 5.3 | 11.5 | 15.7 | 20.5 | 20.5 | 16.8 | 8.3 | -0.8 | -4.7 |
| Absolute minimum temperature (°C) | -21.5 | -8.8 | -7.4 | -2.1 | 4.4 | 10.7 | 16.9 | 16.7 | 11.4 | 1.7 | -11.3 | -17.9 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 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) | 6.8 | 8.0 | 9.2 | 7.7 | 8.9 | 9.5 | 7.2 | 8.7 | 7.2 | 8.1 | 7.1 | 5.6 |
| Precipitation (mm) | 36 | 3 | 26 | 105 | 131 | 243 | 663 | 345 | 218 | 25 | 110 | 101 |
| Sunny days | 18 | 23 | 22 | 14 | 18 | 6 | 3 | 6 | 6 | 21 | 16 | 16 |
| Rainy days | 5 | 0 | 9 | 16 | 13 | 24 | 28 | 25 | 24 | 10 | 12 | 9 |
| Snow days | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The largest precipitation sum in Sŏnhak is at