Average annual temperature is 13.9 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 182 days
Number of rainy days: 175 days
Number of snow days: 8 days
Look at detailed online map of Seongdong
* Weather data for Seongdong 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) | 16.2 | 13.5 | 24.8 | 26.8 | 32.4 | 36.0 | 32.9 | 34.8 | 30.5 | 23.1 | 23.9 | 18.2 |
| Average daytime temperature (°C) | 5.4 | 9.0 | 17.7 | 19.6 | 24.1 | 29.0 | 29.0 | 30.7 | 27.0 | 20.2 | 12.7 | 7.5 |
| Average temperature (°C) | 0.2 | 2.6 | 9.8 | 13.3 | 18.4 | 23.0 | 25.3 | 26.4 | 22.5 | 14.3 | 7.5 | 3.1 |
| Average night temperature (°C) | -4.2 | -2.3 | 3.4 | 7.6 | 13.2 | 18.4 | 22.3 | 22.6 | 18.7 | 9.1 | 2.7 | -0.7 |
| Absolute minimum temperature (°C) | -12.9 | -6.4 | -5.6 | 0.9 | 4.9 | 13.9 | 18.6 | 17.6 | 13.2 | 5.2 | -4.6 | -9.5 |
| 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) | 7.0 | 7.3 | 8.9 | 7.6 | 7.8 | 9.2 | 6.6 | 9.5 | 7.7 | 8.5 | 7.5 | 5.8 |
| Precipitation (mm) | 49 | 21 | 56 | 82 | 161 | 217 | 468 | 307 | 191 | 14 | 101 | 90 |
| Sunny days | 25 | 20 | 22 | 13 | 13 | 13 | 5 | 7 | 7 | 23 | 19 | 15 |
| Rainy days | 5 | 8 | 9 | 17 | 18 | 17 | 26 | 24 | 23 | 8 | 10 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Seongdong is at