Average annual temperature is 13.1 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 192 days
Number of rainy days: 158 days
Number of snow days: 15 days
Look at detailed online map of Kosŏng
* Weather data for Kosŏng 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) | 13.1 | 9.6 | 23.4 | 25.5 | 28.1 | 32.0 | 32.4 | 34.3 | 30.9 | 23.2 | 21.7 | 16.2 |
| Average daytime temperature (°C) | 3.0 | 5.3 | 12.3 | 16.9 | 22.1 | 25.3 | 28.4 | 29.7 | 26.3 | 19.5 | 11.4 | 5.8 |
| Average temperature (°C) | -0.8 | 1.3 | 7.0 | 12.0 | 17.2 | 21.1 | 25.2 | 25.9 | 22.4 | 15.4 | 7.9 | 2.2 |
| Average night temperature (°C) | -4.7 | -2.1 | 2.9 | 8.2 | 13.2 | 18.1 | 22.7 | 22.6 | 19.3 | 11.4 | 4.3 | -1.4 |
| Absolute minimum temperature (°C) | -12.7 | -6.4 | -2.5 | 3.3 | 5.8 | 14.5 | 19.5 | 18.4 | 13.6 | 6.7 | -2.8 | -9.5 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.2 | 8.4 | 9.4 | 8.1 | 8.5 | 9.6 | 7.9 | 9.0 | 7.4 | 8.2 | 6.6 | 4.5 |
| Precipitation (mm) | 29 | 2 | 9 | 103 | 124 | 190 | 428 | 294 | 182 | 12 | 120 | 85 |
| Sunny days | 20 | 26 | 25 | 19 | 20 | 14 | 6 | 9 | 8 | 18 | 13 | 14 |
| Rainy days | 6 | 2 | 6 | 11 | 11 | 16 | 25 | 22 | 22 | 13 | 16 | 8 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
The largest precipitation sum in Kosŏng is at