Average annual temperature is 12.3 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 168 days
Number of rainy days: 187 days
Number of snow days: 10 days
Look at detailed online map of Guyeon
* Weather data for Guyeon 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) | 13.4 | 11.7 | 20.0 | 23.8 | 26.9 | 29.4 | 32.0 | 31.8 | 27.2 | 20.4 | 22.4 | 15.7 |
| Average daytime temperature (°C) | 2.9 | 6.5 | 13.6 | 15.7 | 19.6 | 24.5 | 26.9 | 27.8 | 23.9 | 17.8 | 10.5 | 5.2 |
| Average temperature (°C) | -1.2 | 1.9 | 8.4 | 11.1 | 15.6 | 20.2 | 23.7 | 24.4 | 20.7 | 13.8 | 6.4 | 1.4 |
| Average night temperature (°C) | -4.8 | -1.6 | 4.1 | 7.1 | 12.2 | 16.9 | 21.3 | 21.9 | 18.1 | 10.2 | 2.4 | -1.8 |
| Absolute minimum temperature (°C) | -17.0 | -8.0 | -5.0 | -0.1 | 5.4 | 13.7 | 16.9 | 19.9 | 13.6 | 4.1 | -8.3 | -13.6 |
| 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 | 7.6 | 9.1 | 8.5 | 7.8 | 8.8 | 7.3 | 8.8 | 7.4 | 8.7 | 7.9 | 6.9 |
| Precipitation (mm) | 42 | 38 | 66 | 82 | 213 | 183 | 291 | 318 | 268 | 10 | 49 | 107 |
| Sunny days | 22 | 18 | 20 | 15 | 13 | 11 | 2 | 1 | 5 | 21 | 22 | 18 |
| Rainy days | 5 | 8 | 11 | 15 | 18 | 19 | 29 | 30 | 25 | 10 | 8 | 9 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Guyeon is at