Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 163 days
Number of rainy days: 193 days
Number of snow days: 9 days
Look at detailed online map of Gangchon
* Weather data for Gangchon 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) | 15.2 | 13.6 | 24.0 | 27.1 | 28.3 | 33.2 | 31.0 | 34.5 | 30.4 | 22.6 | 24.9 | 18.0 |
| Average daytime temperature (°C) | 5.4 | 8.7 | 16.6 | 18.0 | 21.7 | 27.0 | 28.1 | 30.0 | 26.6 | 20.1 | 12.7 | 7.6 |
| Average temperature (°C) | 1.0 | 3.0 | 9.9 | 12.7 | 17.3 | 21.9 | 24.9 | 25.9 | 22.6 | 15.2 | 8.3 | 3.8 |
| Average night temperature (°C) | -2.8 | -1.1 | 5.1 | 8.3 | 13.4 | 18.2 | 22.5 | 22.7 | 19.4 | 11.2 | 4.4 | 0.6 |
| Absolute minimum temperature (°C) | -13.0 | -5.4 | -2.4 | 1.5 | 7.3 | 14.5 | 19.4 | 18.6 | 15.0 | 6.6 | -3.5 | -8.7 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.1 | 8.6 | 7.3 | 7.2 | 8.5 | 6.0 | 10.3 | 8.1 | 8.8 | 7.4 | 5.8 |
| Precipitation (mm) | 41 | 35 | 65 | 114 | 228 | 173 | 422 | 332 | 147 | 19 | 93 | 75 |
| Sunny days | 20 | 20 | 23 | 13 | 11 | 12 | 2 | 4 | 5 | 18 | 20 | 15 |
| Rainy days | 7 | 8 | 8 | 17 | 20 | 18 | 29 | 27 | 25 | 13 | 9 | 12 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The best time to visit Gangchon during the most sunny months:
The largest precipitation sum in Gangchon is at