Average annual temperature is 11.6 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 181 days
Number of rainy days: 166 days
Number of snow days: 18 days
Look at detailed online map of Seongjae
* Weather data for Seongjae 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) | 11.6 | 11.0 | 21.7 | 24.9 | 28.0 | 32.1 | 33.3 | 33.4 | 30.5 | 21.3 | 22.1 | 14.1 |
| Average daytime temperature (°C) | 1.1 | 5.8 | 13.8 | 16.5 | 22.0 | 26.3 | 29.6 | 29.4 | 25.7 | 18.0 | 8.8 | 2.8 |
| Average temperature (°C) | -3.8 | 0.0 | 6.7 | 10.6 | 16.4 | 21.0 | 25.3 | 25.0 | 21.0 | 12.8 | 4.3 | -1.3 |
| Average night temperature (°C) | -8.2 | -4.1 | 0.7 | 5.8 | 11.0 | 16.5 | 22.0 | 21.8 | 17.7 | 8.6 | 0.5 | -4.8 |
| Absolute minimum temperature (°C) | -20.5 | -8.5 | -6.3 | -1.0 | 2.9 | 12.6 | 18.6 | 16.6 | 12.2 | 4.0 | -8.7 | -16.1 |
| 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 | 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) | 7.0 | 8.2 | 9.4 | 7.5 | 9.5 | 9.8 | 8.2 | 8.3 | 7.5 | 8.0 | 6.7 | 6.0 |
| Precipitation (mm) | 40 | 2 | 18 | 100 | 122 | 227 | 333 | 349 | 142 | 17 | 80 | 84 |
| Sunny days | 19 | 23 | 24 | 12 | 19 | 8 | 5 | 7 | 10 | 19 | 16 | 19 |
| Rainy days | 5 | 0 | 7 | 18 | 12 | 22 | 26 | 24 | 20 | 12 | 12 | 8 |
| Snow days | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Seongjae is at