Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 198 days
Number of rainy days: 150 days
Number of snow days: 17 days
Look at detailed online map of Koryobong
* Weather data for Koryobong 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) | 10.6 | 11.5 | 22.9 | 23.2 | 29.1 | 30.5 | 31.8 | 32.5 | 28.4 | 20.4 | 21.9 | 15.1 |
| Average daytime temperature (°C) | 1.1 | 5.9 | 13.8 | 16.2 | 21.7 | 25.5 | 27.9 | 28.6 | 24.6 | 17.5 | 8.9 | 2.9 |
| Average temperature (°C) | -3.3 | 0.1 | 6.9 | 10.5 | 16.0 | 20.4 | 23.7 | 24.2 | 20.1 | 11.5 | 3.8 | -1.3 |
| Average night temperature (°C) | -7.2 | -3.7 | 0.8 | 5.2 | 10.5 | 15.7 | 20.2 | 20.7 | 16.4 | 6.4 | -0.5 | -4.7 |
| Absolute minimum temperature (°C) | -18.0 | -6.9 | -6.2 | -1.9 | 2.5 | 11.3 | 17.1 | 13.2 | 9.7 | 0.9 | -9.3 | -15.4 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 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 | 8.0 | 9.2 | 8.1 | 9.0 | 9.6 | 7.5 | 9.1 | 7.3 | 8.3 | 7.2 | 6.0 |
| Precipitation (mm) | 34 | 3 | 19 | 86 | 120 | 182 | 512 | 314 | 211 | 21 | 66 | 79 |
| Sunny days | 19 | 23 | 24 | 17 | 20 | 12 | 7 | 9 | 12 | 19 | 17 | 19 |
| Rainy days | 4 | 2 | 7 | 13 | 11 | 18 | 24 | 22 | 18 | 12 | 11 | 8 |
| Snow days | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Koryobong is at