Average annual temperature is 13.2 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 187 days
Number of rainy days: 168 days
Number of snow days: 10 days
Look at detailed online map of Yongsan
* Weather data for Yongsan 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) | 13.2 | 11.8 | 25.1 | 26.5 | 32.2 | 35.2 | 33.7 | 34.4 | 30.0 | 22.3 | 24.1 | 18.3 |
| Average daytime temperature (°C) | 2.6 | 6.7 | 15.6 | 18.9 | 24.5 | 28.4 | 29.5 | 30.6 | 26.3 | 19.6 | 10.9 | 5.4 |
| Average temperature (°C) | -2.0 | 1.4 | 8.7 | 12.8 | 18.6 | 22.8 | 25.5 | 26.2 | 22.3 | 14.2 | 6.1 | 1.2 |
| Average night temperature (°C) | -6.5 | -2.5 | 3.3 | 7.7 | 13.4 | 18.3 | 22.4 | 22.7 | 18.9 | 9.4 | 1.6 | -2.4 |
| Absolute minimum temperature (°C) | -16.6 | -6.5 | -3.8 | 1.5 | 5.7 | 14.8 | 20.0 | 18.2 | 13.2 | 3.3 | -7.5 | -13.6 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 7.3 | 7.9 | 9.4 | 7.6 | 8.4 | 9.9 | 7.3 | 8.8 | 7.3 | 8.3 | 7.1 | 5.6 |
| Precipitation (mm) | 23 | 2 | 27 | 63 | 130 | 122 | 398 | 262 | 317 | 17 | 57 | 78 |
| Sunny days | 18 | 24 | 24 | 14 | 21 | 11 | 3 | 9 | 8 | 21 | 16 | 18 |
| Rainy days | 9 | 4 | 7 | 16 | 10 | 19 | 28 | 22 | 22 | 10 | 14 | 7 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Yongsan during the most sunny months:
The largest precipitation sum in Yongsan is at