Average annual temperature is 13.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 173 days
Number of rainy days: 176 days
Number of snow days: 16 days
Look at detailed online map of Seondeok
* Weather data for Seondeok 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 | 12.4 | 22.6 | 25.3 | 29.9 | 32.3 | 31.6 | 33.9 | 29.9 | 21.9 | 22.8 | 17.9 |
| Average daytime temperature (°C) | 3.8 | 7.5 | 15.6 | 17.7 | 22.3 | 26.9 | 27.9 | 29.8 | 26.1 | 19.1 | 11.4 | 6.0 |
| Average temperature (°C) | -0.7 | 2.0 | 8.9 | 12.1 | 17.3 | 21.5 | 24.4 | 25.5 | 21.8 | 13.8 | 6.7 | 2.3 |
| Average night temperature (°C) | -4.4 | -1.9 | 3.7 | 6.9 | 12.9 | 17.5 | 21.6 | 22.1 | 18.3 | 9.5 | 2.6 | -1.0 |
| Absolute minimum temperature (°C) | -14.7 | -6.5 | -4.0 | -0.2 | 4.6 | 13.2 | 18.4 | 17.5 | 13.4 | 5.4 | -6.5 | -11.4 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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) | 6.9 | 7.2 | 8.7 | 7.5 | 7.8 | 9.2 | 6.6 | 9.4 | 7.7 | 8.6 | 7.3 | 5.7 |
| Precipitation (mm) | 52 | 18 | 54 | 90 | 190 | 209 | 560 | 309 | 173 | 20 | 94 | 117 |
| Sunny days | 18 | 21 | 23 | 14 | 15 | 13 | 2 | 5 | 9 | 23 | 18 | 12 |
| Rainy days | 6 | 5 | 8 | 16 | 16 | 17 | 29 | 26 | 21 | 8 | 12 | 12 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The largest precipitation sum in Seondeok is at