Average annual temperature is 13.7 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 170 days
Number of rainy days: 187 days
Number of snow days: 8 days
Look at detailed online map of Gwangtan
* Weather data for Gwangtan 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) | 14.9 | 13.5 | 23.4 | 26.0 | 27.0 | 32.0 | 31.0 | 34.5 | 30.7 | 22.6 | 24.6 | 17.6 |
| Average daytime temperature (°C) | 5.3 | 8.8 | 16.3 | 17.7 | 21.5 | 26.3 | 27.8 | 29.8 | 26.5 | 20.0 | 12.7 | 7.7 |
| Average temperature (°C) | 0.7 | 2.9 | 9.5 | 12.5 | 17.0 | 21.6 | 24.6 | 25.8 | 22.5 | 15.0 | 8.1 | 3.6 |
| Average night temperature (°C) | -3.3 | -1.4 | 4.4 | 7.9 | 13.2 | 18.1 | 22.2 | 22.6 | 19.3 | 10.7 | 4.2 | 0.2 |
| Absolute minimum temperature (°C) | -13.1 | -5.5 | -2.9 | 1.3 | 6.3 | 14.3 | 17.5 | 18.7 | 15.3 | 6.1 | -3.5 | -8.4 |
| 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) | 7.5 | 7.1 | 8.6 | 7.2 | 7.2 | 8.3 | 6.0 | 10.3 | 8.0 | 8.7 | 7.5 | 5.9 |
| Precipitation (mm) | 48 | 33 | 64 | 127 | 251 | 203 | 390 | 347 | 184 | 15 | 108 | 70 |
| Sunny days | 24 | 19 | 23 | 13 | 12 | 11 | 1 | 5 | 6 | 19 | 21 | 16 |
| Rainy days | 5 | 8 | 8 | 17 | 19 | 19 | 30 | 26 | 24 | 12 | 9 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Gwangtan during the most sunny months:
The largest precipitation sum in Gwangtan is at