Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 190 days
Number of rainy days: 166 days
Number of snow days: 9 days
Look at detailed online map of Seongnadong
* Weather data for Seongnadong 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) | 14.9 | 11.8 | 25.9 | 28.2 | 30.9 | 35.7 | 33.0 | 34.7 | 31.0 | 23.3 | 25.0 | 18.7 |
| Average daytime temperature (°C) | 4.8 | 8.0 | 16.7 | 19.5 | 24.5 | 28.5 | 29.3 | 30.8 | 26.9 | 20.4 | 12.6 | 7.1 |
| Average temperature (°C) | -0.3 | 1.9 | 9.1 | 13.3 | 18.5 | 22.8 | 25.6 | 26.6 | 22.8 | 14.9 | 8.0 | 3.1 |
| Average night temperature (°C) | -4.8 | -2.7 | 3.1 | 7.8 | 13.6 | 18.6 | 22.8 | 23.3 | 19.5 | 10.2 | 3.5 | -0.6 |
| Absolute minimum temperature (°C) | -14.0 | -6.0 | -5.1 | 0.9 | 5.6 | 14.9 | 20.6 | 18.5 | 14.1 | 4.8 | -4.8 | -11.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.5 | 9.0 | 7.8 | 8.3 | 9.7 | 7.0 | 9.3 | 7.3 | 8.5 | 6.8 | 5.5 |
| Precipitation (mm) | 37 | 6 | 24 | 66 | 151 | 230 | 630 | 325 | 230 | 13 | 81 | 140 |
| Sunny days | 20 | 24 | 23 | 16 | 16 | 13 | 3 | 7 | 11 | 24 | 17 | 16 |
| Rainy days | 9 | 3 | 8 | 14 | 15 | 17 | 28 | 24 | 19 | 7 | 12 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Seongnadong is at