Average annual temperature is 13.4 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -15.7 °C
Number of sunny days: 175 days
Number of rainy days: 176 days
Number of snow days: 14 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) | 15.2 | 13.0 | 23.0 | 25.5 | 31.1 | 32.8 | 32.5 | 34.4 | 30.1 | 22.4 | 24.6 | 17.2 |
| Average daytime temperature (°C) | 3.8 | 7.3 | 15.9 | 18.5 | 23.4 | 28.1 | 29.3 | 30.5 | 26.3 | 19.3 | 11.4 | 6.0 |
| Average temperature (°C) | -0.7 | 2.0 | 9.4 | 12.6 | 18.0 | 22.6 | 25.3 | 26.0 | 22.0 | 14.1 | 6.7 | 2.1 |
| Average night temperature (°C) | -4.5 | -1.8 | 4.0 | 7.6 | 13.1 | 18.1 | 22.2 | 22.4 | 18.5 | 9.8 | 2.5 | -1.4 |
| Absolute minimum temperature (°C) | -15.7 | -6.4 | -3.7 | 0.6 | 3.4 | 13.6 | 19.6 | 18.3 | 13.2 | 5.2 | -7.1 | -12.6 |
| 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 | 9.8 |
| 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) | 7.2 | 7.4 | 8.9 | 8.0 | 8.1 | 10.0 | 7.3 | 9.4 | 7.4 | 8.7 | 7.4 | 5.9 |
| Precipitation (mm) | 35 | 12 | 41 | 98 | 109 | 203 | 504 | 320 | 215 | 17 | 55 | 98 |
| Sunny days | 16 | 20 | 20 | 13 | 18 | 12 | 4 | 4 | 11 | 23 | 17 | 17 |
| Rainy days | 7 | 7 | 11 | 17 | 13 | 18 | 27 | 27 | 19 | 8 | 13 | 9 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Seongdong is at