Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 188 days
Number of rainy days: 167 days
Number of snow days: 10 days
Look at detailed online map of Ilsanseo-gu
* Weather data for Ilsanseo-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 | 9.7 | 22.1 | 25.4 | 27.6 | 33.8 | 32.3 | 34.2 | 30.5 | 22.6 | 22.7 | 15.5 |
| Average daytime temperature (°C) | 1.8 | 6.0 | 13.7 | 17.7 | 22.9 | 26.4 | 28.9 | 29.4 | 26.4 | 19.5 | 9.7 | 4.2 |
| Average temperature (°C) | -3.3 | 0.2 | 6.9 | 11.9 | 17.4 | 21.8 | 25.1 | 25.5 | 21.9 | 13.9 | 4.8 | -0.2 |
| Average night temperature (°C) | -7.8 | -3.9 | 1.5 | 7.2 | 12.4 | 17.9 | 22.1 | 22.0 | 18.2 | 9.2 | 0.6 | -4.2 |
| Absolute minimum temperature (°C) | -18.2 | -7.0 | -3.8 | 1.6 | 5.8 | 13.9 | 18.8 | 16.3 | 12.7 | 2.9 | -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) | 7.0 | 8.4 | 8.9 | 7.3 | 9.2 | 9.2 | 7.6 | 8.4 | 7.9 | 8.3 | 6.9 | 6.3 |
| Precipitation (mm) | 44 | 3 | 26 | 117 | 159 | 195 | 340 | 308 | 116 | 30 | 89 | 74 |
| Sunny days | 20 | 26 | 24 | 15 | 21 | 8 | 5 | 8 | 9 | 20 | 13 | 19 |
| Rainy days | 6 | 2 | 7 | 15 | 10 | 22 | 26 | 23 | 21 | 11 | 15 | 9 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Ilsanseo-gu is at