Average annual temperature is 12.5 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 179 days
Number of rainy days: 172 days
Number of snow days: 14 days
Look at detailed online map of Gwangsanchon
* Weather data for Gwangsanchon 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) | 12.4 | 11.3 | 22.0 | 24.6 | 30.4 | 31.8 | 32.5 | 33.0 | 28.9 | 21.0 | 23.5 | 17.1 |
| Average daytime temperature (°C) | 2.3 | 6.3 | 15.1 | 17.8 | 22.8 | 27.1 | 28.6 | 29.6 | 25.3 | 18.3 | 10.1 | 4.5 |
| Average temperature (°C) | -2.0 | 0.9 | 8.5 | 11.8 | 17.4 | 21.7 | 24.5 | 25.3 | 21.3 | 13.3 | 5.6 | 0.7 |
| Average night temperature (°C) | -5.9 | -3.0 | 3.0 | 6.7 | 12.5 | 17.4 | 21.4 | 21.9 | 18.0 | 9.3 | 1.2 | -2.9 |
| Absolute minimum temperature (°C) | -17.3 | -7.7 | -5.0 | -0.4 | 4.0 | 14.0 | 17.1 | 16.4 | 12.7 | 3.4 | -8.7 | -14.2 |
| 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) | 7.4 | 7.6 | 9.1 | 8.0 | 8.3 | 9.8 | 7.4 | 9.2 | 7.4 | 8.9 | 7.6 | 6.1 |
| Precipitation (mm) | 37 | 10 | 32 | 58 | 143 | 234 | 493 | 298 | 252 | 19 | 57 | 104 |
| Sunny days | 17 | 20 | 23 | 14 | 19 | 11 | 3 | 4 | 10 | 23 | 18 | 17 |
| Rainy days | 7 | 6 | 8 | 16 | 12 | 19 | 28 | 27 | 20 | 8 | 12 | 9 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Gwangsanchon is at