Average annual temperature is 13.3 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 194 days
Number of rainy days: 162 days
Number of snow days: 9 days
Look at detailed online map of Ŭnsŏk-kol
* Weather data for Ŭnsŏk-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) | 14.1 | 13.9 | 24.3 | 26.0 | 33.4 | 33.9 | 33.1 | 34.2 | 29.2 | 21.9 | 26.0 | 16.7 |
| Average daytime temperature (°C) | 3.4 | 7.6 | 17.0 | 19.4 | 24.1 | 28.6 | 29.5 | 30.3 | 26.0 | 19.4 | 11.7 | 5.5 |
| Average temperature (°C) | -1.3 | 2.1 | 9.8 | 12.9 | 18.5 | 23.0 | 25.0 | 25.9 | 21.8 | 13.9 | 6.3 | 1.0 |
| Average night temperature (°C) | -5.3 | -1.8 | 3.4 | 7.2 | 13.2 | 18.4 | 21.4 | 22.2 | 18.2 | 9.1 | 1.5 | -2.8 |
| Absolute minimum temperature (°C) | -16.0 | -6.7 | -2.8 | 1.8 | 4.3 | 14.8 | 17.5 | 18.2 | 12.8 | 4.0 | -7.4 | -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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.5 | 8.9 | 8.3 | 8.3 | 10.1 | 7.3 | 9.3 | 7.5 | 8.9 | 7.6 | 6.3 |
| Precipitation (mm) | 34 | 13 | 40 | 54 | 112 | 220 | 372 | 307 | 220 | 9 | 39 | 100 |
| Sunny days | 22 | 21 | 22 | 15 | 17 | 12 | 3 | 7 | 10 | 25 | 18 | 22 |
| Rainy days | 7 | 4 | 9 | 15 | 14 | 18 | 28 | 24 | 20 | 6 | 11 | 6 |
| Snow days | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Ŭnsŏk-kol is at