Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 197 days
Number of rainy days: 164 days
Number of snow days: 4 days
Look at detailed online map of Geomundong
* Weather data for Geomundong 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) | 12.3 | 12.1 | 21.6 | 22.9 | 29.8 | 30.7 | 31.9 | 33.2 | 28.5 | 23.2 | 24.6 | 17.4 |
| Average daytime temperature (°C) | 3.0 | 5.5 | 11.9 | 15.6 | 20.2 | 24.3 | 27.9 | 27.1 | 23.4 | 18.8 | 11.6 | 4.7 |
| Average temperature (°C) | -1.2 | 1.2 | 7.7 | 11.5 | 16.4 | 20.7 | 24.6 | 24.1 | 20.2 | 14.1 | 7.0 | 0.9 |
| Average night temperature (°C) | -4.8 | -2.2 | 3.4 | 7.9 | 12.7 | 17.5 | 21.9 | 21.6 | 17.4 | 10.0 | 3.0 | -2.4 |
| Absolute minimum temperature (°C) | -16.8 | -6.5 | -3.7 | 3.8 | 5.8 | 13.9 | 18.5 | 15.9 | 10.5 | 6.1 | -6.9 | -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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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 | 7.5 | 8.5 | 8.3 | 9.3 | 10.6 | 8.5 | 8.3 | 7.3 | 8.2 | 7.4 | 6.3 |
| Precipitation (mm) | 68 | 34 | 19 | 66 | 119 | 167 | 274 | 424 | 211 | 28 | 65 | 150 |
| Sunny days | 25 | 19 | 23 | 12 | 18 | 12 | 11 | 7 | 7 | 19 | 22 | 22 |
| Rainy days | 6 | 6 | 8 | 18 | 13 | 18 | 20 | 24 | 23 | 12 | 7 | 9 |
| Snow days | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Geomundong during the most sunny months:
The largest precipitation sum in Geomundong is at