Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 180 days
Number of rainy days: 172 days
Number of snow days: 13 days
Look at detailed online map of Seongchon
* Weather data for Seongchon 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) | 11.2 | 10.0 | 22.0 | 25.3 | 27.6 | 33.5 | 33.0 | 33.8 | 30.9 | 22.3 | 22.4 | 15.2 |
| Average daytime temperature (°C) | 1.2 | 5.9 | 13.9 | 17.3 | 22.7 | 26.4 | 28.7 | 29.3 | 26.2 | 18.9 | 9.1 | 3.9 |
| Average temperature (°C) | -3.4 | 0.6 | 7.4 | 11.7 | 17.3 | 21.6 | 25.1 | 25.5 | 22.0 | 14.0 | 4.6 | 0.0 |
| Average night temperature (°C) | -8.0 | -3.1 | 2.1 | 7.2 | 12.5 | 17.6 | 22.3 | 22.3 | 18.6 | 9.7 | 0.6 | -3.7 |
| Absolute minimum temperature (°C) | -20.8 | -6.6 | -3.9 | 0.6 | 6.0 | 13.0 | 19.9 | 18.4 | 12.5 | 3.9 | -7.8 | -14.9 |
| 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) | 7.1 | 8.3 | 9.0 | 7.2 | 9.3 | 9.1 | 7.6 | 8.3 | 7.8 | 8.2 | 6.9 | 6.3 |
| Precipitation (mm) | 48 | 2 | 19 | 109 | 148 | 226 | 401 | 314 | 131 | 23 | 97 | 75 |
| Sunny days | 19 | 26 | 24 | 14 | 19 | 9 | 4 | 7 | 8 | 17 | 14 | 19 |
| Rainy days | 5 | 2 | 7 | 16 | 12 | 21 | 27 | 24 | 22 | 14 | 14 | 8 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Seongchon is at