Average annual temperature is 12.6 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 185 days
Number of rainy days: 169 days
Number of snow days: 11 days
Look at detailed online map of Gwacheon
* Weather data for Gwacheon 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) | 12.4 | 10.2 | 23.9 | 27.1 | 29.7 | 35.1 | 33.1 | 34.0 | 30.5 | 22.1 | 23.1 | 15.9 |
| Average daytime temperature (°C) | 2.1 | 6.1 | 14.7 | 18.1 | 23.5 | 26.4 | 28.9 | 29.5 | 26.0 | 19.0 | 9.8 | 4.3 |
| Average temperature (°C) | -2.9 | 0.6 | 7.9 | 12.3 | 17.7 | 21.6 | 25.3 | 25.7 | 22.2 | 14.2 | 5.2 | 0.2 |
| Average night temperature (°C) | -7.3 | -3.5 | 2.4 | 7.6 | 12.9 | 17.8 | 22.5 | 22.6 | 18.9 | 9.9 | 1.1 | -3.5 |
| Absolute minimum temperature (°C) | -18.3 | -7.0 | -3.7 | 1.9 | 5.7 | 14.6 | 20.4 | 18.0 | 12.9 | 4.4 | -7.5 | -14.7 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.1 | 8.3 | 9.3 | 7.4 | 8.8 | 9.2 | 7.3 | 8.4 | 7.3 | 8.2 | 6.9 | 6.1 |
| Precipitation (mm) | 37 | 1 | 23 | 97 | 176 | 223 | 426 | 303 | 175 | 47 | 180 | 87 |
| Sunny days | 20 | 26 | 23 | 15 | 22 | 10 | 3 | 6 | 7 | 20 | 16 | 17 |
| Rainy days | 5 | 2 | 8 | 15 | 9 | 20 | 28 | 25 | 23 | 11 | 13 | 10 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Gwacheon is at