Average annual temperature is 11.6 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -20.2 °C
Number of sunny days: 181 days
Number of rainy days: 169 days
Number of snow days: 15 days
Look at detailed online map of Yŏsan-gol
* Weather data for Yŏsan-gol 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) | 11.6 | 11.3 | 22.4 | 24.7 | 29.1 | 32.7 | 32.6 | 33.8 | 29.6 | 21.6 | 22.1 | 14.9 |
| Average daytime temperature (°C) | 1.0 | 5.9 | 14.1 | 17.0 | 22.6 | 26.3 | 28.9 | 29.2 | 25.5 | 17.9 | 8.8 | 2.9 |
| Average temperature (°C) | -3.8 | -0.1 | 7.4 | 11.0 | 16.8 | 21.2 | 24.7 | 24.9 | 20.9 | 12.5 | 3.9 | -1.1 |
| Average night temperature (°C) | -8.0 | -4.1 | 1.5 | 5.6 | 11.4 | 16.6 | 21.4 | 21.4 | 17.3 | 8.0 | -0.4 | -4.6 |
| Absolute minimum temperature (°C) | -20.2 | -8.3 | -5.5 | -2.1 | 2.2 | 12.0 | 17.3 | 16.0 | 11.2 | 2.5 | -9.5 | -16.2 |
| 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) | 7.1 | 8.2 | 9.0 | 7.4 | 9.0 | 9.5 | 8.0 | 8.3 | 7.3 | 7.9 | 7.0 | 6.0 |
| Precipitation (mm) | 51 | 1 | 22 | 131 | 158 | 254 | 356 | 351 | 179 | 27 | 102 | 85 |
| Sunny days | 20 | 24 | 22 | 14 | 18 | 9 | 5 | 5 | 8 | 21 | 15 | 20 |
| Rainy days | 3 | 0 | 9 | 16 | 13 | 21 | 26 | 26 | 22 | 10 | 13 | 10 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The largest precipitation sum in Yŏsan-gol is at