Average annual temperature is 14.1 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 183 days
Number of rainy days: 173 days
Number of snow days: 9 days
Look at detailed online map of Seongsudeul
* Weather data for Seongsudeul 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) | 15.3 | 12.9 | 27.1 | 28.4 | 31.1 | 36.3 | 33.2 | 35.1 | 31.3 | 22.9 | 24.4 | 18.2 |
| Average daytime temperature (°C) | 4.7 | 8.2 | 17.3 | 19.9 | 24.7 | 29.1 | 29.5 | 31.0 | 27.0 | 20.3 | 12.3 | 6.8 |
| Average temperature (°C) | -0.4 | 2.0 | 9.8 | 13.6 | 18.8 | 23.3 | 25.8 | 26.8 | 22.9 | 15.2 | 7.7 | 2.9 |
| Average night temperature (°C) | -4.6 | -2.5 | 3.6 | 8.3 | 14.0 | 18.8 | 23.2 | 23.5 | 19.5 | 10.8 | 3.3 | -0.8 |
| Absolute minimum temperature (°C) | -14.7 | -6.8 | -3.9 | 1.7 | 5.6 | 14.6 | 20.8 | 17.6 | 13.7 | 5.5 | -5.8 | -11.6 |
| 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 | 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 | 7.4 | 9.1 | 7.7 | 8.4 | 10.0 | 7.1 | 9.3 | 7.3 | 8.8 | 7.2 | 5.8 |
| Precipitation (mm) | 39 | 6 | 26 | 81 | 149 | 255 | 582 | 348 | 227 | 15 | 79 | 118 |
| Sunny days | 19 | 21 | 21 | 13 | 18 | 13 | 3 | 5 | 12 | 25 | 16 | 17 |
| Rainy days | 8 | 6 | 10 | 17 | 13 | 17 | 28 | 26 | 18 | 6 | 14 | 10 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Seongsudeul is at