Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 206 days
Number of rainy days: 154 days
Number of snow days: 5 days
Look at detailed online map of Ian-myeon
* Weather data for Ian-myeon 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) | 11.8 | 14.2 | 24.3 | 26.3 | 32.9 | 34.2 | 34.1 | 35.1 | 30.0 | 22.4 | 25.3 | 16.3 |
| Average daytime temperature (°C) | 3.5 | 8.0 | 16.9 | 19.4 | 24.6 | 28.7 | 29.8 | 30.8 | 26.5 | 20.0 | 11.6 | 5.3 |
| Average temperature (°C) | -1.3 | 2.1 | 9.5 | 12.8 | 18.6 | 23.1 | 25.4 | 26.3 | 22.1 | 13.9 | 6.3 | 1.0 |
| Average night temperature (°C) | -5.4 | -2.1 | 2.9 | 6.7 | 13.0 | 18.3 | 22.0 | 22.7 | 18.4 | 8.9 | 1.4 | -2.8 |
| Absolute minimum temperature (°C) | -15.8 | -6.1 | -3.5 | 0.1 | 4.2 | 14.9 | 17.8 | 17.4 | 12.0 | 3.4 | -7.3 | -12.8 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 7.4 | 7.8 | 9.2 | 8.1 | 8.5 | 10.1 | 7.5 | 9.0 | 7.6 | 8.7 | 7.6 | 6.3 |
| Precipitation (mm) | 35 | 12 | 34 | 67 | 153 | 236 | 475 | 318 | 257 | 11 | 46 | 92 |
| Sunny days | 25 | 23 | 24 | 17 | 17 | 9 | 4 | 9 | 12 | 26 | 19 | 21 |
| Rainy days | 5 | 4 | 7 | 13 | 14 | 21 | 27 | 22 | 18 | 5 | 11 | 7 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Ian-myeon is at