Average annual temperature is 13.2 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -15.4 °C
Number of sunny days: 194 days
Number of rainy days: 167 days
Number of snow days: 4 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) | 15.4 | 13.7 | 22.4 | 26.1 | 30.5 | 31.9 | 33.7 | 35.0 | 28.9 | 21.6 | 24.6 | 17.5 |
| Average daytime temperature (°C) | 4.2 | 8.0 | 15.9 | 18.0 | 21.7 | 26.7 | 28.6 | 29.6 | 25.4 | 19.5 | 12.1 | 6.4 |
| Average temperature (°C) | -0.5 | 2.6 | 9.5 | 12.5 | 16.7 | 21.5 | 24.7 | 25.5 | 21.7 | 14.4 | 7.1 | 2.3 |
| Average night temperature (°C) | -4.6 | -1.8 | 4.2 | 7.6 | 12.3 | 17.3 | 21.8 | 22.5 | 18.5 | 10.0 | 2.5 | -1.2 |
| Absolute minimum temperature (°C) | -15.4 | -7.4 | -3.8 | 1.0 | 4.7 | 13.4 | 18.2 | 20.7 | 13.4 | 4.6 | -6.7 | -12.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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) | 7.8 | 7.4 | 9.2 | 8.5 | 8.2 | 9.2 | 7.5 | 9.0 | 7.2 | 8.7 | 7.8 | 6.9 |
| Precipitation (mm) | 33 | 27 | 61 | 68 | 145 | 151 | 276 | 234 | 204 | 7 | 58 | 95 |
| Sunny days | 24 | 19 | 22 | 16 | 16 | 12 | 6 | 5 | 7 | 25 | 22 | 20 |
| Rainy days | 5 | 8 | 9 | 14 | 15 | 18 | 25 | 26 | 23 | 6 | 8 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Yongsan is at