Average annual temperature is 12.3 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 167 days
Number of rainy days: 182 days
Number of snow days: 16 days
Look at detailed online map of Oeiryang
* Weather data for Oeiryang 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) | 14.6 | 11.0 | 22.8 | 24.9 | 28.8 | 31.9 | 31.4 | 32.4 | 29.1 | 20.8 | 22.5 | 16.2 |
| Average daytime temperature (°C) | 2.3 | 5.7 | 14.3 | 17.0 | 21.9 | 26.4 | 27.8 | 29.0 | 25.1 | 18.1 | 10.0 | 4.5 |
| Average temperature (°C) | -1.8 | 0.7 | 8.2 | 11.4 | 16.8 | 21.0 | 24.0 | 24.8 | 21.0 | 13.7 | 5.8 | 1.1 |
| Average night temperature (°C) | -5.6 | -2.8 | 3.5 | 6.9 | 12.7 | 16.8 | 21.2 | 21.5 | 17.9 | 10.0 | 1.8 | -2.2 |
| Absolute minimum temperature (°C) | -17.1 | -7.9 | -4.4 | 0.0 | 5.6 | 12.7 | 17.4 | 17.1 | 13.2 | 5.1 | -8.4 | -14.4 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.4 | 9.0 | 7.7 | 8.3 | 9.8 | 7.1 | 9.4 | 7.3 | 8.8 | 7.2 | 5.8 |
| Precipitation (mm) | 41 | 10 | 31 | 87 | 174 | 210 | 598 | 379 | 241 | 17 | 82 | 119 |
| Sunny days | 16 | 19 | 22 | 14 | 15 | 10 | 1 | 5 | 9 | 23 | 17 | 16 |
| Rainy days | 5 | 7 | 9 | 16 | 16 | 20 | 30 | 26 | 21 | 8 | 13 | 11 |
| Snow days | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Oeiryang is at