Average annual temperature is 7.9 °C
Absolute maximum temperature: 29.4 °C
Absolute minimum temperature: -24.7 °C
Number of sunny days: 163 days
Number of rainy days: 174 days
Number of snow days: 28 days
Look at detailed online map of Sŏyŏk-kol
* Weather data for Sŏyŏk-kol 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) | 7.2 | 7.9 | 18.5 | 20.3 | 23.7 | 25.6 | 29.3 | 29.4 | 25.6 | 16.6 | 17.9 | 9.8 |
| Average daytime temperature (°C) | -3.6 | 1.7 | 9.5 | 11.8 | 17.4 | 21.3 | 25.2 | 24.9 | 21.0 | 13.7 | 5.3 | -1.7 |
| Average temperature (°C) | -7.8 | -3.0 | 3.9 | 6.9 | 12.8 | 17.2 | 21.4 | 21.1 | 17.2 | 9.1 | 0.8 | -5.3 |
| Average night temperature (°C) | -12.4 | -6.3 | -0.7 | 3.0 | 8.6 | 13.4 | 18.5 | 18.3 | 14.3 | 5.4 | -2.9 | -8.9 |
| Absolute minimum temperature (°C) | -24.7 | -11.7 | -10.8 | -5.0 | 1.8 | 9.1 | 16.0 | 11.9 | 7.5 | -1.5 | -13.5 | -24.2 |
| 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 | 7.7 | 9.1 | 7.8 | 9.2 | 9.9 | 8.1 | 8.6 | 7.2 | 8.4 | 6.7 | 5.8 |
| Precipitation (mm) | 50 | 7 | 26 | 115 | 116 | 170 | 352 | 275 | 152 | 21 | 79 | 96 |
| Sunny days | 18 | 19 | 20 | 13 | 14 | 7 | 8 | 7 | 8 | 19 | 15 | 15 |
| Rainy days | 2 | 1 | 10 | 16 | 17 | 23 | 23 | 24 | 22 | 12 | 13 | 11 |
| Snow days | 11 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Sŏyŏk-kol is at