Average annual temperature is 11.8 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 177 days
Number of rainy days: 176 days
Number of snow days: 12 days
Look at detailed online map of Seongchangmal
* Weather data for Seongchangmal 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 | 10.2 | 22.2 | 25.1 | 29.5 | 34.1 | 33.4 | 34.1 | 31.6 | 22.3 | 22.6 | 14.3 |
| Average daytime temperature (°C) | 0.8 | 5.7 | 14.1 | 17.5 | 23.1 | 26.9 | 29.9 | 29.4 | 26.7 | 19.2 | 8.6 | 2.8 |
| Average temperature (°C) | -4.3 | 0.0 | 6.9 | 11.2 | 17.2 | 21.6 | 25.4 | 25.1 | 21.7 | 13.5 | 3.9 | -1.4 |
| Average night temperature (°C) | -9.2 | -3.9 | 1.0 | 6.2 | 11.9 | 17.1 | 22.0 | 21.7 | 17.8 | 8.9 | -0.1 | -5.1 |
| Absolute minimum temperature (°C) | -19.2 | -7.2 | -4.9 | -0.8 | 5.3 | 12.5 | 18.9 | 16.5 | 11.1 | 3.4 | -8.3 | -17.0 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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 | 8.4 | 9.5 | 7.3 | 9.2 | 9.5 | 8.2 | 7.8 | 7.9 | 8.1 | 6.5 | 6.1 |
| Precipitation (mm) | 49 | 2 | 13 | 109 | 138 | 170 | 279 | 286 | 111 | 29 | 94 | 65 |
| Sunny days | 21 | 25 | 24 | 11 | 19 | 5 | 6 | 3 | 11 | 20 | 14 | 18 |
| Rainy days | 3 | 2 | 7 | 19 | 12 | 25 | 25 | 28 | 19 | 11 | 14 | 11 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Seongchangmal is at