Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 186 days
Number of rainy days: 167 days
Number of snow days: 12 days
Look at detailed online map of Gwangseong
* Weather data for Gwangseong 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) | 11.0 | 8.9 | 21.5 | 23.9 | 27.1 | 31.8 | 32.8 | 33.9 | 30.6 | 22.9 | 21.8 | 15.4 |
| Average daytime temperature (°C) | 1.5 | 5.3 | 12.1 | 16.4 | 21.3 | 24.9 | 28.5 | 29.2 | 26.2 | 19.5 | 9.7 | 4.2 |
| Average temperature (°C) | -3.0 | 0.1 | 6.6 | 11.5 | 16.8 | 21.2 | 25.1 | 25.6 | 22.2 | 14.5 | 5.2 | 0.0 |
| Average night temperature (°C) | -7.5 | -3.8 | 1.8 | 7.7 | 12.9 | 18.1 | 22.5 | 22.4 | 18.7 | 9.9 | 0.9 | -3.8 |
| Absolute minimum temperature (°C) | -17.7 | -6.9 | -3.1 | 1.7 | 6.0 | 14.5 | 19.5 | 17.2 | 13.1 | 5.0 | -6.9 | -14.4 |
| 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 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 6.9 | 8.4 | 9.0 | 7.4 | 9.0 | 9.3 | 7.8 | 8.6 | 7.7 | 8.2 | 6.9 | 6.2 |
| Precipitation (mm) | 45 | 4 | 19 | 143 | 176 | 213 | 358 | 314 | 120 | 53 | 94 | 73 |
| Sunny days | 20 | 26 | 24 | 15 | 20 | 9 | 5 | 7 | 9 | 18 | 13 | 20 |
| Rainy days | 5 | 2 | 7 | 15 | 11 | 21 | 26 | 24 | 21 | 13 | 15 | 7 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Gwangseong is at