Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 180 days
Number of rainy days: 174 days
Number of snow days: 11 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) | 13.7 | 12.0 | 22.7 | 25.4 | 30.8 | 32.5 | 32.6 | 33.7 | 29.5 | 21.7 | 23.7 | 17.1 |
| Average daytime temperature (°C) | 2.7 | 6.8 | 15.5 | 18.2 | 23.2 | 27.5 | 28.9 | 30.0 | 25.8 | 18.7 | 10.5 | 4.9 |
| Average temperature (°C) | -1.6 | 1.4 | 8.9 | 12.2 | 17.8 | 22.2 | 24.9 | 25.7 | 21.7 | 13.6 | 5.8 | 1.0 |
| Average night temperature (°C) | -5.6 | -2.7 | 3.2 | 7.0 | 12.9 | 17.8 | 21.7 | 22.3 | 18.3 | 9.2 | 1.3 | -2.4 |
| Absolute minimum temperature (°C) | -17.1 | -7.3 | -4.6 | -0.1 | 4.3 | 14.2 | 17.6 | 16.9 | 12.6 | 4.0 | -8.6 | -14.1 |
| 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 | 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 | 10.2 | 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 | 7.9 | 8.3 | 9.9 | 7.4 | 9.2 | 7.3 | 8.8 | 7.5 | 6.0 |
| Precipitation (mm) | 37 | 9 | 30 | 69 | 157 | 235 | 530 | 323 | 254 | 21 | 61 | 105 |
| Sunny days | 16 | 20 | 22 | 14 | 17 | 11 | 3 | 7 | 10 | 23 | 18 | 19 |
| Rainy days | 9 | 7 | 9 | 16 | 14 | 19 | 28 | 24 | 20 | 8 | 12 | 8 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Gwangsanchon is at