Average annual temperature is 12.9 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 193 days
Number of rainy days: 162 days
Number of snow days: 10 days
Look at detailed online map of Gueundeul
* Weather data for Gueundeul 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) | 11.6 | 10.8 | 24.7 | 27.2 | 33.2 | 35.1 | 33.4 | 34.5 | 30.0 | 22.3 | 23.7 | 17.1 |
| Average daytime temperature (°C) | 2.3 | 6.9 | 15.9 | 19.5 | 25.3 | 28.3 | 29.6 | 30.3 | 26.2 | 19.0 | 10.3 | 4.8 |
| Average temperature (°C) | -2.8 | 0.9 | 8.5 | 12.9 | 18.9 | 22.8 | 25.5 | 25.9 | 22.0 | 13.3 | 5.3 | 0.5 |
| Average night temperature (°C) | -7.6 | -3.7 | 2.1 | 7.1 | 12.8 | 17.9 | 22.1 | 22.3 | 18.3 | 8.3 | 0.4 | -3.4 |
| Absolute minimum temperature (°C) | -16.6 | -7.3 | -5.1 | 0.3 | 3.9 | 13.2 | 19.9 | 16.2 | 11.9 | 2.5 | -7.7 | -13.7 |
| 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) | 7.1 | 8.2 | 9.2 | 7.8 | 8.7 | 9.8 | 7.5 | 8.4 | 7.2 | 8.1 | 7.2 | 6.0 |
| Precipitation (mm) | 35 | 1 | 19 | 63 | 110 | 185 | 436 | 386 | 204 | 20 | 79 | 81 |
| Sunny days | 21 | 24 | 23 | 15 | 20 | 11 | 6 | 10 | 10 | 20 | 16 | 17 |
| Rainy days | 6 | 4 | 8 | 15 | 11 | 19 | 25 | 21 | 20 | 11 | 13 | 9 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Gueundeul is at