Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 189 days
Number of rainy days: 161 days
Number of snow days: 15 days
Look at detailed online map of Seppo-ri
* Weather data for Seppo-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) | 13.0 | 12.8 | 20.6 | 23.4 | 28.5 | 30.6 | 32.6 | 32.5 | 27.3 | 21.3 | 22.6 | 13.9 |
| Average daytime temperature (°C) | 2.1 | 5.4 | 13.1 | 15.2 | 20.4 | 24.7 | 27.5 | 27.6 | 23.0 | 17.3 | 10.1 | 3.7 |
| Average temperature (°C) | -2.4 | 0.2 | 7.3 | 10.2 | 15.8 | 20.2 | 23.8 | 23.9 | 19.3 | 12.0 | 5.0 | -0.8 |
| Average night temperature (°C) | -6.0 | -3.4 | 2.4 | 5.6 | 11.6 | 16.5 | 20.9 | 21.0 | 16.4 | 7.4 | 0.8 | -4.0 |
| Absolute minimum temperature (°C) | -17.3 | -7.1 | -6.3 | 0.0 | 4.6 | 12.3 | 16.6 | 16.2 | 10.5 | 1.5 | -9.4 | -15.1 |
| 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) | 7.6 | 7.9 | 9.0 | 9.0 | 9.1 | 10.2 | 8.0 | 9.2 | 7.7 | 8.7 | 7.7 | 6.8 |
| Precipitation (mm) | 34 | 28 | 41 | 65 | 146 | 170 | 339 | 270 | 257 | 17 | 47 | 164 |
| Sunny days | 23 | 20 | 23 | 16 | 16 | 9 | 8 | 7 | 8 | 18 | 20 | 21 |
| Rainy days | 3 | 1 | 8 | 14 | 15 | 21 | 23 | 24 | 22 | 13 | 9 | 8 |
| Snow days | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Seppo-ri is at