Average annual temperature is 13.7 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 174 days
Number of rainy days: 175 days
Number of snow days: 16 days
Look at detailed online map of Geoseok
* Weather data for Geoseok 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) | 14.9 | 10.4 | 22.2 | 23.6 | 27.1 | 30.2 | 31.4 | 32.1 | 30.4 | 22.4 | 23.7 | 17.5 |
| Average daytime temperature (°C) | 3.7 | 5.5 | 12.4 | 16.7 | 21.3 | 24.6 | 27.9 | 29.3 | 26.0 | 19.5 | 12.3 | 6.7 |
| Average temperature (°C) | 0.3 | 1.8 | 7.9 | 12.4 | 17.4 | 21.3 | 25.2 | 26.3 | 22.7 | 15.9 | 9.0 | 3.9 |
| Average night temperature (°C) | -3.9 | -1.5 | 4.2 | 8.9 | 14.2 | 19.0 | 22.9 | 23.8 | 19.7 | 12.3 | 5.0 | 0.7 |
| Absolute minimum temperature (°C) | -14.3 | -4.8 | -2.6 | 3.4 | 7.9 | 16.5 | 20.3 | 19.1 | 15.8 | 8.0 | -3.3 | -10.1 |
| 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) | 6.8 | 7.5 | 8.8 | 7.8 | 8.2 | 9.5 | 7.0 | 9.5 | 7.5 | 8.4 | 6.3 | 4.5 |
| Precipitation (mm) | 34 | 9 | 27 | 76 | 181 | 157 | 554 | 203 | 233 | 21 | 83 | 146 |
| Sunny days | 15 | 23 | 24 | 17 | 15 | 14 | 1 | 10 | 10 | 22 | 13 | 10 |
| Rainy days | 9 | 5 | 7 | 13 | 16 | 16 | 30 | 21 | 20 | 9 | 15 | 14 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Geoseok is at