Average annual temperature is 13.7 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 184 days
Number of rainy days: 176 days
Number of snow days: 5 days
Look at detailed online map of Yongsŏn
* Weather data for Yongsŏn 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 | 12.9 | 21.9 | 25.5 | 27.3 | 30.7 | 32.1 | 32.6 | 28.5 | 22.5 | 22.5 | 17.3 |
| Average daytime temperature (°C) | 4.9 | 8.6 | 15.4 | 17.1 | 20.9 | 25.4 | 27.6 | 29.1 | 25.6 | 19.7 | 12.7 | 7.0 |
| Average temperature (°C) | 0.7 | 3.8 | 9.9 | 12.5 | 16.6 | 21.0 | 24.4 | 25.7 | 22.2 | 15.2 | 8.1 | 3.2 |
| Average night temperature (°C) | -3.0 | 0.0 | 5.5 | 8.3 | 13.1 | 17.5 | 21.8 | 22.9 | 19.3 | 11.3 | 3.8 | -0.3 |
| Absolute minimum temperature (°C) | -14.7 | -5.8 | -2.8 | 1.3 | 6.2 | 14.3 | 18.3 | 21.3 | 15.4 | 5.9 | -5.9 | -10.8 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.6 | 8.6 | 8.0 | 7.8 | 8.2 | 6.8 | 9.0 | 7.6 | 8.8 | 8.1 | 7.1 |
| Precipitation (mm) | 64 | 39 | 73 | 87 | 260 | 257 | 391 | 305 | 210 | 7 | 30 | 88 |
| Sunny days | 25 | 19 | 19 | 15 | 14 | 12 | 3 | 5 | 7 | 25 | 22 | 18 |
| Rainy days | 5 | 9 | 12 | 15 | 17 | 18 | 28 | 26 | 23 | 6 | 8 | 9 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Yongsŏn is at