Average annual temperature is 13.0 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -16.9 °C
Number of sunny days: 191 days
Number of rainy days: 164 days
Number of snow days: 10 days
Look at detailed online map of Yongsandong
* Weather data for Yongsandong 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) | 12.5 | 11.3 | 24.1 | 26.9 | 32.8 | 34.4 | 33.4 | 34.2 | 30.1 | 22.1 | 23.7 | 17.3 |
| Average daytime temperature (°C) | 2.2 | 6.8 | 15.7 | 19.4 | 25.0 | 28.0 | 29.6 | 30.4 | 26.2 | 19.0 | 10.4 | 4.9 |
| Average temperature (°C) | -2.6 | 1.0 | 8.7 | 13.0 | 18.9 | 22.7 | 25.6 | 26.1 | 22.2 | 13.6 | 5.4 | 0.7 |
| Average night temperature (°C) | -7.7 | -3.3 | 2.8 | 7.6 | 13.2 | 18.1 | 22.4 | 22.5 | 18.6 | 8.8 | 0.7 | -3.0 |
| Absolute minimum temperature (°C) | -16.9 | -7.2 | -4.1 | 0.9 | 4.0 | 13.6 | 20.0 | 16.9 | 12.5 | 3.2 | -7.7 | -13.8 |
| 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 | 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) | 7.1 | 8.2 | 9.2 | 7.8 | 8.7 | 9.9 | 7.5 | 8.5 | 7.2 | 8.1 | 7.3 | 5.9 |
| Precipitation (mm) | 27 | 2 | 22 | 63 | 118 | 176 | 476 | 399 | 231 | 15 | 87 | 83 |
| Sunny days | 19 | 23 | 23 | 15 | 22 | 10 | 7 | 9 | 9 | 20 | 16 | 18 |
| Rainy days | 8 | 4 | 8 | 15 | 9 | 20 | 24 | 22 | 21 | 11 | 14 | 8 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Yongsandong during the most sunny months:
The largest precipitation sum in Yongsandong is at