Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 186 days
Number of rainy days: 170 days
Number of snow days: 9 days
Look at detailed online map of Gangseon
* Weather data for Gangseon 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) | 14.1 | 13.2 | 21.5 | 22.4 | 30.1 | 31.0 | 32.9 | 34.3 | 28.6 | 22.6 | 24.0 | 17.1 |
| Average daytime temperature (°C) | 2.5 | 5.7 | 13.1 | 16.2 | 21.5 | 25.2 | 28.9 | 27.9 | 23.9 | 19.2 | 11.3 | 4.6 |
| Average temperature (°C) | -1.8 | 1.2 | 8.5 | 12.0 | 17.5 | 21.5 | 25.8 | 25.1 | 21.0 | 14.7 | 6.8 | 0.8 |
| Average night temperature (°C) | -5.6 | -2.2 | 4.3 | 8.4 | 13.8 | 18.3 | 23.3 | 22.8 | 18.6 | 11.3 | 3.0 | -2.4 |
| Absolute minimum temperature (°C) | -19.0 | -7.9 | -3.7 | 3.0 | 6.1 | 14.6 | 19.5 | 17.9 | 12.9 | 5.7 | -6.9 | -14.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 7.4 | 7.7 | 8.7 | 7.9 | 9.3 | 10.3 | 8.3 | 7.8 | 7.6 | 8.4 | 7.1 | 6.1 |
| Precipitation (mm) | 84 | 42 | 16 | 74 | 122 | 206 | 200 | 460 | 222 | 38 | 89 | 183 |
| Sunny days | 26 | 18 | 22 | 14 | 17 | 11 | 8 | 7 | 10 | 14 | 20 | 19 |
| Rainy days | 3 | 5 | 9 | 16 | 14 | 19 | 23 | 24 | 20 | 17 | 9 | 11 |
| Snow days | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Gangseon during the most sunny months:
The largest precipitation sum in Gangseon is at