Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 192 days
Number of rainy days: 165 days
Number of snow days: 8 days
Look at detailed online map of Yeonil
* Weather data for Yeonil 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) | 11.9 | 9.7 | 23.3 | 26.5 | 28.0 | 33.8 | 32.5 | 34.2 | 30.5 | 22.3 | 22.7 | 15.6 |
| Average daytime temperature (°C) | 2.0 | 5.9 | 13.6 | 17.7 | 22.7 | 25.7 | 28.6 | 29.3 | 26.2 | 19.3 | 9.8 | 4.4 |
| Average temperature (°C) | -3.1 | 0.2 | 7.1 | 12.0 | 17.3 | 21.4 | 25.1 | 25.6 | 22.0 | 14.0 | 5.1 | -0.1 |
| Average night temperature (°C) | -7.8 | -4.1 | 1.6 | 7.5 | 12.6 | 17.8 | 22.3 | 22.3 | 18.4 | 9.3 | 0.8 | -4.1 |
| Absolute minimum temperature (°C) | -18.0 | -7.6 | -3.4 | 1.4 | 4.7 | 14.0 | 19.8 | 16.9 | 12.6 | 3.8 | -7.2 | -14.4 |
| 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 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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 | 8.4 | 9.2 | 7.5 | 9.2 | 9.3 | 7.7 | 8.7 | 7.8 | 8.3 | 7.1 | 6.3 |
| Precipitation (mm) | 44 | 3 | 20 | 112 | 156 | 217 | 364 | 315 | 137 | 56 | 95 | 78 |
| Sunny days | 20 | 26 | 24 | 16 | 22 | 9 | 4 | 8 | 10 | 19 | 17 | 17 |
| Rainy days | 7 | 2 | 7 | 14 | 9 | 21 | 27 | 23 | 20 | 12 | 13 | 10 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Yeonil is at