Average annual temperature is 13.1 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -15.4 °C
Number of sunny days: 209 days
Number of rainy days: 149 days
Number of snow days: 7 days
Look at detailed online map of Gangseong
* Weather data for Gangseong 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) | 11.9 | 13.0 | 24.0 | 25.7 | 33.4 | 34.3 | 33.8 | 35.1 | 30.3 | 22.4 | 24.4 | 16.0 |
| Average daytime temperature (°C) | 3.7 | 8.1 | 16.9 | 19.2 | 24.4 | 28.6 | 29.7 | 30.7 | 26.3 | 19.9 | 11.7 | 5.6 |
| Average temperature (°C) | -1.2 | 2.0 | 9.3 | 12.7 | 18.5 | 22.9 | 25.2 | 26.2 | 21.8 | 13.1 | 5.7 | 0.7 |
| Average night temperature (°C) | -5.2 | -2.5 | 2.1 | 6.4 | 12.6 | 18.0 | 21.5 | 22.2 | 17.6 | 7.3 | 0.5 | -3.3 |
| Absolute minimum temperature (°C) | -15.4 | -5.8 | -3.8 | 0.1 | 2.4 | 14.3 | 17.9 | 16.1 | 12.1 | 2.1 | -7.2 | -12.5 |
| 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) | 7.4 | 7.8 | 9.3 | 8.4 | 8.7 | 10.0 | 7.9 | 9.2 | 7.7 | 8.8 | 7.8 | 6.3 |
| Precipitation (mm) | 29 | 10 | 30 | 74 | 130 | 233 | 448 | 285 | 230 | 21 | 47 | 90 |
| Sunny days | 25 | 21 | 23 | 16 | 20 | 11 | 7 | 9 | 13 | 24 | 20 | 20 |
| Rainy days | 4 | 5 | 8 | 14 | 11 | 19 | 24 | 22 | 17 | 7 | 10 | 8 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Gangseong is at