Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 195 days
Number of rainy days: 154 days
Number of snow days: 16 days
Look at detailed online map of Gamsan
* Weather data for Gamsan 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 | 12.0 | 21.7 | 22.3 | 29.9 | 31.8 | 32.2 | 33.1 | 28.7 | 20.8 | 23.8 | 15.2 |
| Average daytime temperature (°C) | 1.6 | 6.5 | 14.6 | 16.9 | 22.1 | 26.2 | 28.0 | 29.0 | 25.0 | 18.0 | 9.8 | 3.6 |
| Average temperature (°C) | -3.0 | 0.7 | 7.5 | 10.8 | 16.5 | 20.8 | 23.7 | 24.7 | 20.4 | 12.0 | 4.5 | -0.7 |
| Average night temperature (°C) | -7.0 | -3.3 | 1.4 | 5.0 | 11.0 | 16.0 | 20.3 | 21.2 | 16.6 | 7.1 | -0.1 | -4.0 |
| Absolute minimum temperature (°C) | -18.6 | -7.3 | -5.4 | -1.3 | 3.3 | 11.2 | 16.8 | 15.4 | 11.0 | 0.9 | -8.5 | -14.5 |
| 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 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 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) | 7.3 | 7.8 | 9.3 | 8.4 | 8.9 | 10.1 | 7.4 | 9.0 | 7.6 | 8.6 | 7.6 | 6.1 |
| Precipitation (mm) | 39 | 8 | 27 | 91 | 132 | 194 | 540 | 270 | 202 | 17 | 54 | 108 |
| Sunny days | 19 | 22 | 23 | 16 | 18 | 11 | 6 | 9 | 11 | 23 | 17 | 20 |
| Rainy days | 5 | 3 | 8 | 14 | 13 | 19 | 25 | 22 | 19 | 8 | 11 | 7 |
| Snow days | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Gamsan is at