Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 186 days
Number of rainy days: 171 days
Number of snow days: 8 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) | 14.9 | 12.4 | 26.2 | 28.6 | 31.1 | 35.5 | 33.3 | 34.7 | 30.9 | 23.0 | 24.0 | 17.8 |
| Average daytime temperature (°C) | 4.4 | 7.8 | 17.0 | 19.7 | 24.6 | 29.1 | 29.4 | 30.9 | 26.8 | 20.1 | 12.0 | 6.4 |
| Average temperature (°C) | -0.5 | 1.9 | 9.7 | 13.5 | 18.7 | 23.3 | 25.7 | 26.7 | 22.7 | 14.9 | 7.3 | 2.5 |
| Average night temperature (°C) | -4.7 | -2.4 | 3.7 | 8.1 | 13.7 | 18.7 | 23.0 | 23.3 | 19.2 | 10.5 | 2.8 | -1.2 |
| Absolute minimum temperature (°C) | -15.0 | -6.4 | -4.1 | 1.3 | 5.2 | 14.3 | 19.9 | 17.7 | 13.0 | 5.0 | -6.3 | -11.9 |
| 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 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.5 | 9.2 | 7.7 | 8.3 | 10.1 | 7.2 | 9.3 | 7.4 | 8.8 | 7.2 | 5.7 |
| Precipitation (mm) | 34 | 5 | 24 | 85 | 154 | 218 | 563 | 356 | 254 | 16 | 81 | 110 |
| Sunny days | 23 | 21 | 22 | 14 | 19 | 12 | 1 | 5 | 10 | 24 | 17 | 18 |
| Rainy days | 5 | 6 | 9 | 16 | 12 | 18 | 30 | 26 | 20 | 7 | 13 | 9 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Yongsan during the most sunny months:
The largest precipitation sum in Yongsan is at