Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 182 days
Number of rainy days: 171 days
Number of snow days: 12 days
Look at detailed online map of Geoil
* Weather data for Geoil 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) | 12.0 | 10.6 | 23.8 | 26.2 | 32.4 | 33.8 | 33.2 | 34.0 | 29.9 | 21.8 | 23.3 | 17.2 |
| Average daytime temperature (°C) | 1.7 | 6.5 | 15.3 | 18.8 | 24.6 | 27.8 | 29.4 | 30.2 | 26.0 | 18.7 | 10.1 | 4.5 |
| Average temperature (°C) | -3.1 | 1.0 | 8.5 | 12.6 | 18.6 | 22.5 | 25.4 | 25.9 | 22.0 | 13.5 | 5.1 | 0.4 |
| Average night temperature (°C) | -8.2 | -3.0 | 2.8 | 7.5 | 13.3 | 18.0 | 22.2 | 22.5 | 18.5 | 8.9 | 0.5 | -3.4 |
| Absolute minimum temperature (°C) | -18.3 | -6.8 | -3.9 | 0.5 | 4.5 | 14.1 | 19.6 | 17.6 | 12.6 | 3.3 | -8.2 | -14.3 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 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) | 7.0 | 8.1 | 9.3 | 7.8 | 8.7 | 9.9 | 7.5 | 8.6 | 7.2 | 8.0 | 7.3 | 6.0 |
| Precipitation (mm) | 30 | 2 | 25 | 72 | 135 | 185 | 464 | 376 | 225 | 25 | 83 | 87 |
| Sunny days | 18 | 23 | 23 | 15 | 20 | 9 | 5 | 7 | 8 | 20 | 16 | 18 |
| Rainy days | 8 | 3 | 8 | 15 | 11 | 21 | 26 | 24 | 22 | 11 | 12 | 10 |
| Snow days | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Geoil is at