Average annual temperature is 12.8 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -18.8 °C
Number of sunny days: 181 days
Number of rainy days: 170 days
Number of snow days: 14 days
Look at detailed online map of Seongdeungi
* Weather data for Seongdeungi 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) | 12.5 | 10.3 | 24.6 | 25.5 | 31.4 | 33.1 | 33.3 | 33.9 | 30.8 | 21.7 | 23.2 | 16.7 |
| Average daytime temperature (°C) | 1.6 | 6.6 | 15.3 | 18.6 | 24.1 | 27.4 | 29.4 | 30.0 | 26.0 | 18.5 | 9.9 | 4.4 |
| Average temperature (°C) | -2.8 | 1.0 | 8.6 | 12.4 | 18.3 | 22.2 | 25.4 | 26.0 | 21.9 | 13.6 | 5.2 | 0.6 |
| Average night temperature (°C) | -7.5 | -3.5 | 2.7 | 6.7 | 12.8 | 17.4 | 22.2 | 22.1 | 18.2 | 8.8 | 0.8 | -3.1 |
| Absolute minimum temperature (°C) | -18.8 | -7.9 | -4.7 | -1.0 | 3.6 | 13.2 | 19.8 | 16.1 | 11.3 | 2.7 | -8.1 | -14.4 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.0 | 8.3 | 9.3 | 7.7 | 8.9 | 9.7 | 7.5 | 8.7 | 7.2 | 8.2 | 7.2 | 5.9 |
| Precipitation (mm) | 46 | 2 | 25 | 80 | 134 | 190 | 522 | 399 | 228 | 27 | 118 | 81 |
| Sunny days | 19 | 22 | 22 | 14 | 21 | 10 | 5 | 5 | 8 | 20 | 16 | 19 |
| Rainy days | 5 | 5 | 9 | 16 | 10 | 20 | 26 | 26 | 22 | 11 | 12 | 8 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Seongdeungi is at