Average annual temperature is 14.0 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -12.9 °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 Seiko-ri
* Weather data for Seiko-ri 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) | 14.6 | 10.8 | 21.7 | 24.2 | 27.4 | 29.6 | 31.7 | 32.5 | 30.8 | 22.9 | 24.3 | 18.1 |
| Average daytime temperature (°C) | 3.9 | 5.8 | 12.7 | 17.1 | 21.5 | 24.8 | 28.3 | 29.7 | 26.4 | 19.9 | 12.6 | 7.0 |
| Average temperature (°C) | 0.5 | 2.1 | 8.2 | 12.7 | 17.8 | 21.7 | 25.5 | 26.7 | 23.1 | 16.1 | 9.2 | 4.1 |
| Average night temperature (°C) | -3.7 | -1.3 | 4.4 | 9.0 | 14.6 | 19.3 | 23.3 | 24.1 | 20.1 | 12.3 | 5.1 | 0.8 |
| Absolute minimum temperature (°C) | -12.9 | -4.5 | -2.6 | 3.9 | 8.0 | 16.1 | 20.6 | 19.3 | 16.2 | 7.9 | -3.0 | -9.8 |
| 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 | 14.5 | 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) | 7.0 | 7.6 | 8.9 | 7.9 | 8.3 | 9.7 | 7.2 | 9.5 | 7.6 | 8.4 | 6.4 | 4.7 |
| Precipitation (mm) | 29 | 7 | 26 | 85 | 170 | 154 | 573 | 216 | 231 | 18 | 92 | 130 |
| Sunny days | 17 | 24 | 22 | 18 | 14 | 15 | 2 | 9 | 13 | 22 | 13 | 11 |
| Rainy days | 8 | 4 | 9 | 12 | 17 | 15 | 29 | 22 | 17 | 9 | 17 | 13 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The largest precipitation sum in Seiko-ri is at