Average annual temperature is 10.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -21.1 °C
Number of sunny days: 167 days
Number of rainy days: 177 days
Number of snow days: 21 days
Look at detailed online map of Seonggeum
* Weather data for Seonggeum 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) | 11.7 | 10.7 | 20.7 | 21.0 | 27.9 | 29.6 | 31.9 | 31.5 | 27.7 | 19.6 | 21.7 | 14.6 |
| Average daytime temperature (°C) | -0.4 | 4.9 | 12.7 | 15.4 | 20.8 | 24.7 | 27.2 | 28.0 | 24.0 | 16.4 | 8.2 | 2.1 |
| Average temperature (°C) | -4.8 | -0.4 | 6.8 | 9.9 | 15.9 | 20.0 | 23.4 | 24.0 | 19.8 | 12.0 | 3.6 | -1.7 |
| Average night temperature (°C) | -9.2 | -4.2 | 1.8 | 4.9 | 11.4 | 15.8 | 20.2 | 20.6 | 16.4 | 8.3 | -0.7 | -5.0 |
| Absolute minimum temperature (°C) | -21.1 | -10.3 | -7.3 | -3.0 | 3.2 | 12.0 | 15.9 | 15.0 | 9.9 | 0.0 | -11.0 | -17.3 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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 | 7.7 | 9.3 | 8.3 | 9.1 | 10.1 | 7.4 | 9.1 | 7.4 | 8.4 | 7.5 | 6.0 |
| Precipitation (mm) | 35 | 7 | 37 | 92 | 134 | 217 | 540 | 348 | 287 | 26 | 73 | 105 |
| Sunny days | 17 | 22 | 22 | 12 | 14 | 7 | 5 | 5 | 7 | 23 | 16 | 17 |
| Rainy days | 5 | 1 | 9 | 18 | 17 | 23 | 26 | 26 | 23 | 8 | 12 | 9 |
| Snow days | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Seonggeum is at