Average annual temperature is 11.8 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 157 days
Number of rainy days: 189 days
Number of snow days: 19 days
Look at detailed online map of Yeonsil
* Weather data for Yeonsil 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) | 14.6 | 11.8 | 20.4 | 23.7 | 28.2 | 29.8 | 31.0 | 32.0 | 28.3 | 20.8 | 21.7 | 15.3 |
| Average daytime temperature (°C) | 2.3 | 6.2 | 13.8 | 16.0 | 20.6 | 25.4 | 27.2 | 28.4 | 24.6 | 17.6 | 10.5 | 5.2 |
| Average temperature (°C) | -2.0 | 0.8 | 7.9 | 10.6 | 15.8 | 20.5 | 23.5 | 24.2 | 20.5 | 12.8 | 5.7 | 1.0 |
| Average night temperature (°C) | -5.7 | -3.0 | 3.5 | 6.0 | 11.9 | 16.7 | 20.7 | 20.9 | 17.2 | 8.8 | 1.5 | -2.3 |
| Absolute minimum temperature (°C) | -16.5 | -11.1 | -5.3 | -1.5 | 3.5 | 12.8 | 17.1 | 17.4 | 12.6 | 3.7 | -7.9 | -13.1 |
| 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 | 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) | 7.1 | 7.3 | 8.8 | 8.0 | 8.1 | 9.3 | 7.1 | 9.8 | 7.7 | 8.7 | 7.7 | 6.1 |
| Precipitation (mm) | 42 | 34 | 49 | 103 | 161 | 229 | 398 | 302 | 216 | 15 | 103 | 124 |
| Sunny days | 17 | 16 | 21 | 12 | 14 | 13 | 2 | 4 | 5 | 20 | 18 | 15 |
| Rainy days | 5 | 8 | 10 | 18 | 17 | 17 | 29 | 27 | 25 | 11 | 12 | 10 |
| Snow days | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Yeonsil is at