Average annual temperature is 14.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 174 days
Number of rainy days: 180 days
Number of snow days: 11 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) | 16.1 | 13.2 | 24.5 | 27.4 | 31.0 | 36.2 | 32.5 | 34.8 | 31.1 | 23.1 | 24.5 | 18.6 |
| Average daytime temperature (°C) | 5.7 | 8.9 | 17.5 | 19.8 | 24.0 | 29.1 | 29.3 | 31.0 | 27.4 | 20.5 | 13.3 | 8.2 |
| Average temperature (°C) | 0.4 | 2.7 | 9.8 | 13.5 | 18.5 | 23.1 | 25.8 | 26.7 | 23.1 | 15.2 | 8.5 | 4.0 |
| Average night temperature (°C) | -4.3 | -2.0 | 3.6 | 8.0 | 13.6 | 18.6 | 23.2 | 23.1 | 19.5 | 10.6 | 4.1 | 0.5 |
| Absolute minimum temperature (°C) | -12.9 | -5.6 | -4.4 | 0.8 | 6.3 | 14.1 | 19.0 | 17.7 | 14.7 | 6.0 | -3.1 | -9.8 |
| 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 | 14.3 | 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) | 7.2 | 7.2 | 8.7 | 7.3 | 7.5 | 8.8 | 6.3 | 9.6 | 7.7 | 8.3 | 7.1 | 5.6 |
| Precipitation (mm) | 44 | 24 | 46 | 95 | 153 | 201 | 447 | 251 | 199 | 15 | 89 | 86 |
| Sunny days | 21 | 22 | 24 | 12 | 12 | 14 | 1 | 5 | 8 | 22 | 19 | 14 |
| Rainy days | 7 | 6 | 7 | 18 | 19 | 16 | 30 | 26 | 22 | 9 | 10 | 10 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Seongsan during the most sunny months:
The largest precipitation sum in Seongsan is at