Average annual temperature is 13.8 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 196 days
Number of rainy days: 166 days
Number of snow days: 3 days
Look at detailed online map of Gwangsan
* Weather data for Gwangsan 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) | 13.4 | 13.6 | 24.3 | 27.3 | 33.2 | 33.8 | 34.2 | 35.0 | 29.9 | 22.4 | 24.1 | 16.6 |
| Average daytime temperature (°C) | 3.9 | 8.3 | 17.4 | 19.3 | 24.5 | 28.9 | 30.0 | 30.8 | 26.3 | 19.7 | 11.8 | 5.8 |
| Average temperature (°C) | -0.8 | 2.4 | 10.2 | 13.2 | 18.8 | 23.2 | 25.8 | 26.6 | 22.4 | 14.5 | 6.7 | 1.5 |
| Average night temperature (°C) | -5.1 | -2.2 | 3.6 | 7.5 | 13.5 | 18.7 | 22.6 | 23.3 | 19.1 | 10.0 | 2.0 | -2.2 |
| Absolute minimum temperature (°C) | -16.1 | -7.3 | -3.2 | 1.4 | 5.0 | 14.9 | 18.8 | 19.3 | 14.2 | 5.6 | -6.8 | -12.2 |
| 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 | 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 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.6 | 9.1 | 8.3 | 8.9 | 9.8 | 7.7 | 9.6 | 7.5 | 8.6 | 7.9 | 6.6 |
| Precipitation (mm) | 26 | 12 | 52 | 73 | 176 | 239 | 369 | 249 | 211 | 10 | 34 | 73 |
| Sunny days | 24 | 21 | 24 | 15 | 19 | 9 | 4 | 6 | 10 | 24 | 19 | 21 |
| Rainy days | 5 | 7 | 7 | 15 | 12 | 21 | 27 | 25 | 20 | 7 | 11 | 9 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Gwangsan is at