Average annual temperature is 14.9 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 203 days
Number of rainy days: 159 days
Number of snow days: 3 days
Look at detailed online map of Yangseong
* Weather data for Yangseong 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) | 17.2 | 15.6 | 22.2 | 27.7 | 31.5 | 32.0 | 33.3 | 33.3 | 30.3 | 23.8 | 26.4 | 19.7 |
| Average daytime temperature (°C) | 5.9 | 9.1 | 15.5 | 17.9 | 21.5 | 25.8 | 28.8 | 28.9 | 25.7 | 20.8 | 13.8 | 7.9 |
| Average temperature (°C) | 2.1 | 5.0 | 10.9 | 13.9 | 18.1 | 22.5 | 25.9 | 26.3 | 23.1 | 16.5 | 9.4 | 4.3 |
| Average night temperature (°C) | -1.4 | 1.7 | 6.8 | 10.0 | 14.8 | 19.6 | 23.3 | 24.0 | 20.7 | 12.9 | 5.0 | 1.1 |
| Absolute minimum temperature (°C) | -13.4 | -3.3 | -1.6 | 4.0 | 8.2 | 16.5 | 19.3 | 21.4 | 15.9 | 8.0 | -4.9 | -10.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.4 | 9.1 | 8.9 | 8.3 | 9.7 | 8.7 | 9.3 | 7.1 | 8.8 | 8.2 | 7.0 |
| Precipitation (mm) | 35 | 35 | 58 | 56 | 172 | 171 | 316 | 185 | 274 | 9 | 30 | 126 |
| Sunny days | 25 | 16 | 21 | 17 | 17 | 11 | 7 | 9 | 8 | 25 | 24 | 23 |
| Rainy days | 4 | 11 | 10 | 13 | 14 | 19 | 24 | 22 | 22 | 6 | 6 | 8 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yangseong is at