Average annual temperature is 14.0 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 163 days
Number of rainy days: 191 days
Number of snow days: 11 days
Look at detailed online map of Illyangdong
* Weather data for Illyangdong 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) | 15.0 | 13.1 | 23.8 | 26.6 | 30.7 | 32.9 | 32.3 | 34.0 | 30.3 | 22.8 | 24.3 | 18.2 |
| Average daytime temperature (°C) | 5.3 | 8.9 | 16.9 | 18.8 | 23.0 | 28.1 | 28.7 | 30.3 | 26.8 | 20.2 | 12.7 | 7.8 |
| Average temperature (°C) | 0.5 | 2.8 | 9.8 | 12.9 | 17.8 | 22.3 | 25.1 | 26.1 | 22.7 | 15.3 | 8.3 | 3.8 |
| Average night temperature (°C) | -3.6 | -1.6 | 4.6 | 7.9 | 13.5 | 18.0 | 22.6 | 22.7 | 19.4 | 11.1 | 4.3 | 0.5 |
| Absolute minimum temperature (°C) | -12.9 | -5.4 | -3.1 | 1.0 | 7.0 | 13.4 | 18.2 | 18.6 | 15.3 | 6.0 | -3.7 | -8.9 |
| 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 | 9.8 |
| 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) | 7.2 | 7.1 | 8.6 | 7.3 | 7.5 | 8.8 | 6.4 | 9.8 | 7.7 | 8.5 | 7.3 | 5.8 |
| Precipitation (mm) | 37 | 27 | 52 | 96 | 165 | 178 | 510 | 366 | 146 | 12 | 95 | 63 |
| Sunny days | 19 | 21 | 24 | 12 | 10 | 14 | 1 | 4 | 6 | 21 | 18 | 13 |
| Rainy days | 9 | 7 | 7 | 18 | 21 | 16 | 30 | 27 | 24 | 10 | 12 | 10 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
The best time to visit Illyangdong during the most sunny months:
The largest precipitation sum in Illyangdong is at