Average annual temperature is 12.3 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -15.6 °C
Number of sunny days: 179 days
Number of rainy days: 176 days
Number of snow days: 10 days
Look at detailed online map of Ilchuam
* Weather data for Ilchuam 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) | 13.2 | 12.8 | 21.6 | 25.0 | 29.2 | 31.4 | 31.5 | 32.6 | 28.2 | 21.5 | 22.4 | 15.7 |
| Average daytime temperature (°C) | 3.2 | 7.2 | 15.0 | 16.9 | 21.3 | 26.2 | 27.4 | 28.9 | 25.0 | 18.5 | 10.9 | 5.5 |
| Average temperature (°C) | -1.4 | 1.4 | 8.3 | 11.1 | 16.3 | 21.0 | 23.7 | 24.7 | 20.9 | 13.2 | 6.3 | 1.3 |
| Average night temperature (°C) | -5.0 | -2.5 | 3.1 | 6.1 | 11.9 | 16.8 | 21.1 | 21.5 | 17.6 | 9.2 | 2.2 | -2.0 |
| Absolute minimum temperature (°C) | -15.6 | -7.6 | -4.4 | -0.9 | 2.7 | 13.3 | 17.2 | 17.0 | 13.1 | 3.8 | -7.6 | -12.0 |
| 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) | 7.0 | 7.4 | 8.6 | 7.7 | 7.8 | 9.2 | 7.0 | 9.5 | 7.5 | 8.7 | 7.4 | 6.0 |
| Precipitation (mm) | 37 | 26 | 41 | 81 | 150 | 236 | 418 | 281 | 186 | 8 | 93 | 124 |
| Sunny days | 22 | 18 | 22 | 13 | 15 | 13 | 2 | 4 | 9 | 24 | 20 | 17 |
| Rainy days | 5 | 8 | 9 | 17 | 16 | 17 | 29 | 27 | 21 | 7 | 10 | 10 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Ilchuam is at