Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 185 days
Number of rainy days: 170 days
Number of snow days: 10 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) | 13.1 | 11.4 | 22.8 | 24.8 | 31.3 | 33.0 | 32.8 | 33.7 | 29.4 | 21.5 | 24.2 | 17.6 |
| Average daytime temperature (°C) | 2.8 | 6.7 | 15.7 | 18.4 | 23.4 | 27.8 | 29.1 | 30.2 | 25.8 | 18.8 | 10.6 | 5.1 |
| Average temperature (°C) | -1.6 | 1.2 | 8.8 | 12.2 | 17.8 | 22.3 | 24.9 | 25.7 | 21.6 | 13.6 | 6.0 | 1.1 |
| Average night temperature (°C) | -5.6 | -2.8 | 3.1 | 7.0 | 12.8 | 17.6 | 21.7 | 22.2 | 18.3 | 9.2 | 1.6 | -2.5 |
| Absolute minimum temperature (°C) | -16.7 | -7.5 | -4.7 | 0.1 | 4.1 | 14.3 | 17.7 | 16.8 | 13.1 | 3.7 | -8.0 | -13.5 |
| 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 | 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) | 7.2 | 7.4 | 9.1 | 7.9 | 8.3 | 9.7 | 7.2 | 9.2 | 7.4 | 8.9 | 7.5 | 6.1 |
| Precipitation (mm) | 38 | 11 | 35 | 58 | 137 | 218 | 492 | 297 | 236 | 16 | 59 | 111 |
| Sunny days | 19 | 20 | 21 | 13 | 17 | 15 | 5 | 5 | 11 | 23 | 18 | 18 |
| Rainy days | 8 | 6 | 10 | 17 | 14 | 15 | 26 | 26 | 19 | 8 | 12 | 9 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Gamsan is at