Average annual temperature is 14.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 156 days
Number of rainy days: 192 days
Number of snow days: 17 days
Look at detailed online map of Koch'ang
* Weather data for Koch'ang 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) | 15.4 | 12.1 | 23.0 | 24.4 | 29.9 | 33.2 | 32.5 | 33.9 | 31.2 | 22.6 | 24.6 | 18.3 |
| Average daytime temperature (°C) | 4.6 | 7.2 | 15.4 | 18.6 | 23.2 | 27.2 | 29.1 | 30.5 | 26.8 | 20.2 | 12.7 | 7.3 |
| Average temperature (°C) | 0.4 | 2.3 | 9.1 | 13.1 | 18.3 | 22.2 | 25.7 | 26.6 | 22.9 | 15.7 | 8.8 | 4.1 |
| Average night temperature (°C) | -4.0 | -1.3 | 4.6 | 8.8 | 14.3 | 18.8 | 23.2 | 23.4 | 19.6 | 11.9 | 5.0 | 0.8 |
| Absolute minimum temperature (°C) | -14.6 | -4.5 | -3.0 | 2.1 | 7.2 | 14.2 | 20.6 | 18.4 | 15.1 | 7.4 | -3.2 | -10.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.3 | 8.9 | 7.5 | 7.8 | 9.1 | 6.6 | 9.7 | 7.7 | 8.5 | 6.7 | 4.9 |
| Precipitation (mm) | 35 | 11 | 31 | 85 | 139 | 150 | 456 | 203 | 185 | 18 | 98 | 122 |
| Sunny days | 18 | 21 | 23 | 14 | 12 | 14 | 1 | 4 | 9 | 19 | 11 | 10 |
| Rainy days | 7 | 6 | 8 | 16 | 19 | 16 | 30 | 27 | 21 | 12 | 17 | 13 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The best time to visit Koch'ang during the most sunny months:
The largest precipitation sum in Koch'ang is at