Average annual temperature is 11.5 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 157 days
Number of rainy days: 192 days
Number of snow days: 16 days
Look at detailed online map of Seosong
* Weather data for Seosong 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) | 14.0 | 10.9 | 20.6 | 23.5 | 28.4 | 30.2 | 30.2 | 31.5 | 28.0 | 19.8 | 21.2 | 15.7 |
| Average daytime temperature (°C) | 2.4 | 6.2 | 14.0 | 16.1 | 20.5 | 25.3 | 26.3 | 27.9 | 24.3 | 17.0 | 9.7 | 4.6 |
| Average temperature (°C) | -2.2 | 0.6 | 7.5 | 10.3 | 15.6 | 20.1 | 22.9 | 23.7 | 20.2 | 12.3 | 5.3 | 1.0 |
| Average night temperature (°C) | -6.0 | -3.7 | 2.2 | 5.2 | 11.3 | 15.8 | 20.2 | 20.6 | 17.0 | 8.4 | 1.3 | -2.1 |
| Absolute minimum temperature (°C) | -16.2 | -8.8 | -5.8 | -3.6 | 3.1 | 11.9 | 17.5 | 16.3 | 12.3 | 4.5 | -7.8 | -13.0 |
| 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) | 7.1 | 7.2 | 8.8 | 7.8 | 7.9 | 9.1 | 6.9 | 9.7 | 7.6 | 8.6 | 7.7 | 5.9 |
| Precipitation (mm) | 39 | 28 | 53 | 99 | 148 | 234 | 412 | 301 | 207 | 16 | 118 | 121 |
| Sunny days | 16 | 19 | 22 | 12 | 14 | 11 | 1 | 5 | 7 | 21 | 15 | 14 |
| Rainy days | 6 | 9 | 9 | 18 | 17 | 19 | 30 | 26 | 23 | 10 | 15 | 10 |
| Snow days | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The largest precipitation sum in Seosong is at