Average annual temperature is 12.5 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 192 days
Number of rainy days: 162 days
Number of snow days: 11 days
Look at detailed online map of Oeju
* Weather data for Oeju 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) | 10.0 | 8.5 | 19.1 | 21.6 | 26.4 | 30.9 | 31.8 | 34.1 | 30.5 | 23.1 | 21.0 | 14.1 |
| Average daytime temperature (°C) | 0.9 | 4.4 | 10.8 | 15.4 | 20.2 | 23.9 | 27.6 | 28.7 | 26.1 | 19.4 | 9.8 | 3.8 |
| Average temperature (°C) | -2.7 | 0.5 | 6.5 | 11.6 | 16.7 | 21.2 | 24.9 | 25.9 | 22.7 | 15.5 | 5.9 | 0.5 |
| Average night temperature (°C) | -6.9 | -3.0 | 2.6 | 8.5 | 13.6 | 18.7 | 22.8 | 23.1 | 19.6 | 11.7 | 2.2 | -3.3 |
| Absolute minimum temperature (°C) | -16.7 | -6.9 | -2.3 | 3.9 | 8.4 | 15.4 | 20.1 | 19.3 | 14.6 | 7.4 | -6.4 | -14.0 |
| 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 | 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) | 6.9 | 8.5 | 9.2 | 7.5 | 9.0 | 9.3 | 8.2 | 8.7 | 7.9 | 8.5 | 7.0 | 6.4 |
| Precipitation (mm) | 36 | 5 | 28 | 111 | 172 | 184 | 285 | 313 | 98 | 44 | 89 | 64 |
| Sunny days | 20 | 26 | 23 | 13 | 19 | 11 | 7 | 11 | 11 | 17 | 13 | 21 |
| Rainy days | 5 | 2 | 8 | 17 | 12 | 19 | 24 | 20 | 19 | 14 | 15 | 7 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Oeju is at