Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 190 days
Number of rainy days: 163 days
Number of snow days: 12 days
Look at detailed online map of Gacheon
* Weather data for Gacheon 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) | 13.6 | 11.1 | 24.8 | 26.9 | 28.1 | 34.0 | 32.6 | 35.5 | 30.6 | 23.0 | 22.6 | 17.4 |
| Average daytime temperature (°C) | 3.8 | 7.1 | 15.0 | 18.0 | 23.1 | 26.8 | 28.6 | 30.5 | 26.5 | 19.9 | 11.6 | 6.0 |
| Average temperature (°C) | -0.7 | 1.7 | 8.6 | 12.6 | 17.9 | 21.8 | 25.1 | 26.3 | 22.5 | 14.9 | 7.3 | 2.2 |
| Average night temperature (°C) | -4.7 | -2.1 | 3.9 | 8.0 | 13.7 | 18.2 | 22.6 | 23.0 | 19.3 | 10.8 | 3.3 | -1.0 |
| Absolute minimum temperature (°C) | -14.2 | -5.5 | -2.8 | 1.9 | 7.1 | 15.0 | 19.8 | 18.9 | 15.0 | 4.9 | -4.7 | -12.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.9 | 9.3 | 7.8 | 8.4 | 10.0 | 7.2 | 9.1 | 7.3 | 8.4 | 7.0 | 5.3 |
| Precipitation (mm) | 35 | 3 | 26 | 87 | 178 | 274 | 598 | 262 | 317 | 12 | 82 | 122 |
| Sunny days | 22 | 25 | 24 | 17 | 16 | 11 | 2 | 7 | 13 | 24 | 14 | 15 |
| Rainy days | 5 | 3 | 7 | 13 | 15 | 19 | 29 | 24 | 17 | 7 | 14 | 10 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Gacheon during the most sunny months:
The largest precipitation sum in Gacheon is at