Average annual temperature is 12.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 179 days
Number of rainy days: 174 days
Number of snow days: 12 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) | 13.1 | 10.6 | 23.6 | 24.9 | 31.0 | 32.3 | 32.5 | 33.5 | 29.6 | 21.5 | 22.9 | 16.5 |
| Average daytime temperature (°C) | 2.0 | 6.1 | 15.1 | 18.0 | 23.5 | 27.3 | 28.8 | 29.9 | 25.7 | 18.5 | 10.0 | 4.4 |
| Average temperature (°C) | -2.2 | 0.9 | 8.7 | 12.2 | 18.1 | 22.1 | 25.0 | 25.6 | 21.7 | 13.6 | 5.4 | 0.8 |
| Average night temperature (°C) | -6.4 | -2.8 | 3.4 | 7.2 | 13.1 | 17.6 | 21.8 | 22.0 | 18.2 | 9.2 | 1.0 | -2.7 |
| Absolute minimum temperature (°C) | -17.7 | -7.3 | -4.1 | 0.2 | 5.4 | 13.8 | 18.4 | 16.6 | 12.1 | 4.5 | -8.5 | -14.6 |
| 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) | 7.1 | 7.8 | 9.0 | 7.8 | 8.4 | 10.2 | 7.3 | 9.1 | 7.3 | 8.5 | 7.3 | 5.9 |
| Precipitation (mm) | 29 | 4 | 26 | 71 | 126 | 154 | 454 | 407 | 250 | 23 | 82 | 89 |
| Sunny days | 17 | 20 | 23 | 14 | 17 | 9 | 5 | 7 | 11 | 21 | 18 | 17 |
| Rainy days | 8 | 7 | 8 | 16 | 14 | 21 | 26 | 24 | 19 | 10 | 12 | 9 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Yongsan during the most sunny months:
The largest precipitation sum in Yongsan is at