Average annual temperature is 14.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 200 days
Number of rainy days: 162 days
Number of snow days: 3 days
Look at detailed online map of Koryŏng
* Weather data for Koryŏng 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) | 17.1 | 16.1 | 24.7 | 27.7 | 34.0 | 34.5 | 35.0 | 36.2 | 30.4 | 24.3 | 27.2 | 18.3 |
| Average daytime temperature (°C) | 6.6 | 9.9 | 18.3 | 19.9 | 24.1 | 29.5 | 30.2 | 31.3 | 27.0 | 21.4 | 13.9 | 8.1 |
| Average temperature (°C) | 0.8 | 3.8 | 10.7 | 13.5 | 18.4 | 23.3 | 25.8 | 26.8 | 22.7 | 14.8 | 7.5 | 2.8 |
| Average night temperature (°C) | -3.2 | -0.8 | 4.6 | 7.9 | 13.5 | 18.3 | 22.6 | 23.2 | 19.1 | 9.7 | 2.7 | -0.8 |
| Absolute minimum temperature (°C) | -12.8 | -4.7 | -3.7 | 0.7 | 6.4 | 14.0 | 18.0 | 19.7 | 13.2 | 3.8 | -5.4 | -9.4 |
| 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 | 14.5 | 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) | 7.8 | 7.6 | 9.0 | 8.4 | 8.2 | 9.6 | 7.4 | 9.6 | 7.7 | 8.9 | 7.9 | 6.9 |
| Precipitation (mm) | 43 | 18 | 40 | 72 | 141 | 194 | 322 | 342 | 221 | 8 | 58 | 85 |
| Sunny days | 24 | 20 | 22 | 16 | 16 | 12 | 4 | 8 | 9 | 24 | 22 | 23 |
| Rainy days | 6 | 8 | 9 | 14 | 15 | 18 | 27 | 23 | 21 | 7 | 8 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Koryŏng is at