Average annual temperature is 13.9 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 183 days
Number of rainy days: 176 days
Number of snow days: 6 days
Look at detailed online map of Geumsan
* Weather data for Geumsan 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) | 15.1 | 13.1 | 22.2 | 26.3 | 27.0 | 30.9 | 33.0 | 32.9 | 29.2 | 23.3 | 23.6 | 18.2 |
| Average daytime temperature (°C) | 5.8 | 9.4 | 15.9 | 17.6 | 21.2 | 25.7 | 28.3 | 29.7 | 26.2 | 20.4 | 13.5 | 7.8 |
| Average temperature (°C) | 0.7 | 4.0 | 9.9 | 12.8 | 16.7 | 21.3 | 24.9 | 26.2 | 22.6 | 15.3 | 8.5 | 3.4 |
| Average night temperature (°C) | -3.4 | -0.4 | 4.8 | 8.3 | 12.7 | 17.7 | 22.3 | 23.4 | 19.7 | 11.0 | 4.2 | -0.2 |
| Absolute minimum temperature (°C) | -13.8 | -5.6 | -3.6 | 1.1 | 6.0 | 14.2 | 18.9 | 21.5 | 15.4 | 5.8 | -5.0 | -9.8 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.7 | 8.7 | 8.0 | 7.9 | 8.3 | 7.1 | 9.4 | 7.7 | 8.9 | 8.1 | 7.1 |
| Precipitation (mm) | 82 | 42 | 69 | 109 | 294 | 218 | 381 | 336 | 179 | 7 | 30 | 89 |
| Sunny days | 24 | 19 | 19 | 17 | 12 | 9 | 3 | 5 | 9 | 24 | 23 | 19 |
| Rainy days | 6 | 8 | 12 | 13 | 19 | 21 | 28 | 26 | 21 | 7 | 7 | 8 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Geumsan is at