Average annual temperature is 13.8 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 182 days
Number of rainy days: 179 days
Number of snow days: 4 days
Look at detailed online map of Seonhak
* Weather data for Seonhak 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) | 15.2 | 13.5 | 22.8 | 26.2 | 27.5 | 30.8 | 31.7 | 34.6 | 31.2 | 23.2 | 25.6 | 17.5 |
| Average daytime temperature (°C) | 5.6 | 8.8 | 16.1 | 17.9 | 21.4 | 26.2 | 27.8 | 30.2 | 26.7 | 20.5 | 13.0 | 7.8 |
| Average temperature (°C) | 0.6 | 3.1 | 9.5 | 12.5 | 17.0 | 21.6 | 24.6 | 26.0 | 22.6 | 15.3 | 8.2 | 3.7 |
| Average night temperature (°C) | -3.4 | -1.1 | 4.2 | 7.8 | 13.1 | 18.1 | 22.3 | 22.8 | 19.4 | 11.2 | 4.1 | 0.5 |
| Absolute minimum temperature (°C) | -13.1 | -5.2 | -2.9 | 1.9 | 6.3 | 15.2 | 18.1 | 19.0 | 14.7 | 6.9 | -3.8 | -8.2 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.3 | 8.5 | 7.1 | 7.4 | 8.5 | 5.7 | 9.9 | 7.7 | 8.6 | 7.8 | 6.2 |
| Precipitation (mm) | 68 | 31 | 55 | 161 | 221 | 257 | 431 | 318 | 242 | 10 | 95 | 80 |
| Sunny days | 25 | 20 | 21 | 13 | 13 | 11 | 5 | 4 | 8 | 22 | 21 | 19 |
| Rainy days | 5 | 8 | 10 | 17 | 18 | 19 | 26 | 27 | 22 | 9 | 9 | 9 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Seonhak during the most sunny months:
The largest precipitation sum in Seonhak is at