Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 174 days
Number of rainy days: 174 days
Number of snow days: 17 days
Look at detailed online map of Seongteo
* Weather data for Seongteo 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) | 10.6 | 9.8 | 21.3 | 24.4 | 27.4 | 33.5 | 31.7 | 32.2 | 29.4 | 20.6 | 21.4 | 14.0 |
| Average daytime temperature (°C) | 0.3 | 5.2 | 13.3 | 16.3 | 21.8 | 25.7 | 28.0 | 28.2 | 25.0 | 17.5 | 8.0 | 2.4 |
| Average temperature (°C) | -4.0 | -0.2 | 6.8 | 10.9 | 16.6 | 21.1 | 24.5 | 24.7 | 20.9 | 12.8 | 3.5 | -1.4 |
| Average night temperature (°C) | -8.3 | -3.9 | 1.2 | 6.0 | 11.7 | 16.8 | 21.6 | 21.5 | 17.5 | 8.4 | -0.6 | -5.0 |
| Absolute minimum temperature (°C) | -19.9 | -7.6 | -5.4 | -1.8 | 4.4 | 11.8 | 18.2 | 16.0 | 11.2 | 2.1 | -9.4 | -16.8 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 8.2 | 9.2 | 7.3 | 9.3 | 9.4 | 7.9 | 8.0 | 7.5 | 8.2 | 6.8 | 6.1 |
| Precipitation (mm) | 46 | 2 | 19 | 127 | 135 | 263 | 483 | 348 | 130 | 25 | 122 | 81 |
| Sunny days | 18 | 23 | 23 | 11 | 20 | 7 | 4 | 6 | 9 | 18 | 16 | 19 |
| Rainy days | 5 | 1 | 8 | 19 | 11 | 23 | 27 | 25 | 21 | 13 | 12 | 9 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Seongteo is at