Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 171 days
Number of rainy days: 181 days
Number of snow days: 13 days
Look at detailed online map of Yeonsan
* Weather data for Yeonsan 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) | 15.6 | 12.1 | 22.7 | 25.0 | 29.3 | 34.2 | 32.1 | 33.8 | 30.5 | 22.7 | 24.3 | 18.4 |
| Average daytime temperature (°C) | 5.2 | 7.6 | 15.7 | 18.5 | 23.2 | 27.5 | 28.8 | 30.4 | 26.8 | 20.1 | 12.8 | 7.5 |
| Average temperature (°C) | 0.4 | 2.2 | 8.7 | 12.7 | 17.8 | 22.1 | 25.4 | 26.3 | 22.7 | 15.2 | 8.5 | 3.7 |
| Average night temperature (°C) | -3.8 | -1.6 | 3.4 | 7.9 | 13.4 | 18.4 | 23.0 | 23.0 | 19.5 | 10.9 | 4.4 | 0.3 |
| Absolute minimum temperature (°C) | -13.9 | -5.0 | -4.1 | 1.5 | 7.2 | 14.4 | 19.9 | 19.0 | 15.1 | 6.5 | -2.7 | -10.5 |
| 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) | 6.9 | 7.1 | 8.7 | 7.3 | 7.5 | 8.5 | 6.2 | 9.5 | 7.8 | 8.2 | 6.7 | 5.0 |
| Precipitation (mm) | 45 | 19 | 50 | 112 | 187 | 187 | 506 | 206 | 201 | 16 | 91 | 102 |
| Sunny days | 19 | 23 | 23 | 13 | 15 | 17 | 2 | 2 | 8 | 21 | 17 | 11 |
| Rainy days | 8 | 5 | 8 | 17 | 16 | 13 | 29 | 29 | 22 | 10 | 12 | 12 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Yeonsan during the most sunny months:
The largest precipitation sum in Yeonsan is at