Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -18.2 °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 Yeonseongol
* Weather data for Yeonseongol 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) | 11.0 | 9.7 | 24.8 | 25.9 | 30.8 | 33.4 | 32.9 | 33.6 | 29.6 | 21.5 | 22.5 | 16.0 |
| Average daytime temperature (°C) | 1.2 | 5.6 | 14.6 | 17.8 | 23.6 | 26.6 | 28.6 | 29.4 | 25.5 | 18.2 | 9.3 | 3.6 |
| Average temperature (°C) | -3.4 | 0.3 | 7.9 | 11.9 | 17.7 | 21.5 | 24.7 | 25.2 | 21.5 | 13.4 | 4.7 | -0.2 |
| Average night temperature (°C) | -8.2 | -3.5 | 2.4 | 7.1 | 12.8 | 17.3 | 21.7 | 22.0 | 18.3 | 9.2 | 0.4 | -3.5 |
| Absolute minimum temperature (°C) | -18.2 | -7.1 | -4.0 | -0.4 | 5.3 | 13.5 | 18.6 | 18.4 | 12.6 | 4.1 | -8.5 | -15.1 |
| 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 | 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 | 8.1 | 9.1 | 7.8 | 8.6 | 9.6 | 7.4 | 8.2 | 7.2 | 8.3 | 7.1 | 5.9 |
| Precipitation (mm) | 35 | 1 | 17 | 86 | 124 | 186 | 437 | 359 | 203 | 32 | 104 | 84 |
| Sunny days | 19 | 24 | 25 | 15 | 21 | 11 | 5 | 6 | 8 | 16 | 15 | 17 |
| Rainy days | 6 | 4 | 6 | 15 | 10 | 19 | 26 | 25 | 22 | 15 | 14 | 9 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Yeonseongol is at