Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 167 days
Number of rainy days: 189 days
Number of snow days: 9 days
Look at detailed online map of Seongsan
* Weather data for Seongsan 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) | 16.6 | 13.9 | 24.6 | 26.7 | 31.2 | 35.0 | 32.4 | 34.6 | 30.9 | 23.7 | 25.8 | 19.4 |
| Average daytime temperature (°C) | 6.4 | 9.2 | 17.4 | 19.8 | 24.1 | 29.0 | 29.3 | 31.0 | 27.4 | 21.0 | 13.8 | 8.6 |
| Average temperature (°C) | 1.3 | 3.0 | 9.8 | 13.5 | 18.5 | 23.2 | 25.9 | 26.7 | 23.1 | 15.6 | 9.1 | 4.5 |
| Average night temperature (°C) | -3.2 | -1.7 | 4.1 | 8.2 | 13.9 | 18.9 | 23.4 | 23.2 | 19.6 | 10.8 | 4.6 | 0.7 |
| Absolute minimum temperature (°C) | -12.0 | -5.3 | -3.8 | 1.3 | 6.1 | 14.0 | 19.4 | 18.3 | 14.3 | 7.0 | -2.9 | -9.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 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) | 7.1 | 7.1 | 8.6 | 7.3 | 7.5 | 8.7 | 6.3 | 9.8 | 7.9 | 8.4 | 7.0 | 5.5 |
| Precipitation (mm) | 28 | 26 | 55 | 91 | 159 | 179 | 482 | 215 | 148 | 15 | 92 | 70 |
| Sunny days | 18 | 21 | 23 | 13 | 13 | 14 | 2 | 4 | 7 | 23 | 18 | 11 |
| Rainy days | 8 | 7 | 8 | 17 | 18 | 16 | 29 | 27 | 23 | 8 | 12 | 16 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Seongsan during the most sunny months:
The largest precipitation sum in Seongsan is at