Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 184 days
Number of rainy days: 170 days
Number of snow days: 11 days
Look at detailed online map of Ilsandong-gu
* Weather data for Ilsandong-gu 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 | 9.6 | 22.9 | 26.6 | 27.9 | 34.4 | 32.6 | 34.4 | 30.6 | 22.4 | 23.0 | 15.8 |
| Average daytime temperature (°C) | 2.1 | 6.2 | 14.3 | 18.2 | 23.4 | 26.5 | 28.9 | 29.5 | 26.3 | 19.4 | 9.8 | 4.5 |
| Average temperature (°C) | -3.3 | 0.1 | 7.1 | 12.0 | 17.5 | 21.7 | 25.2 | 25.6 | 22.0 | 13.9 | 5.0 | -0.1 |
| Average night temperature (°C) | -8.1 | -4.3 | 1.0 | 7.0 | 12.5 | 17.7 | 22.3 | 22.3 | 18.4 | 9.4 | 0.8 | -4.1 |
| Absolute minimum temperature (°C) | -18.3 | -7.4 | -4.2 | 0.5 | 5.4 | 13.3 | 19.7 | 16.9 | 12.7 | 3.9 | -7.2 | -14.8 |
| 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 | 13.0 | 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 | 8.3 | 8.9 | 7.3 | 9.2 | 9.1 | 7.5 | 8.3 | 7.8 | 8.2 | 6.9 | 6.3 |
| Precipitation (mm) | 47 | 2 | 16 | 109 | 162 | 207 | 382 | 301 | 123 | 38 | 93 | 68 |
| Sunny days | 20 | 26 | 24 | 14 | 22 | 9 | 4 | 7 | 9 | 19 | 13 | 17 |
| Rainy days | 5 | 2 | 7 | 16 | 9 | 21 | 27 | 24 | 21 | 12 | 15 | 11 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Ilsandong-gu is at