Average annual temperature is 13.3 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 173 days
Number of rainy days: 182 days
Number of snow days: 10 days
Look at detailed online map of Gosan
* Weather data for Gosan 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 | 13.3 | 22.2 | 26.5 | 28.7 | 31.1 | 31.5 | 33.7 | 30.3 | 22.1 | 24.0 | 16.9 |
| Average daytime temperature (°C) | 4.5 | 8.1 | 15.6 | 17.3 | 21.3 | 26.4 | 27.7 | 29.7 | 26.3 | 19.6 | 12.0 | 7.1 |
| Average temperature (°C) | 0.0 | 2.3 | 9.1 | 12.0 | 16.9 | 21.3 | 24.3 | 25.4 | 22.1 | 14.6 | 7.6 | 2.9 |
| Average night temperature (°C) | -4.0 | -1.8 | 4.2 | 7.4 | 13.1 | 17.7 | 21.9 | 22.3 | 18.9 | 10.5 | 3.6 | -0.3 |
| Absolute minimum temperature (°C) | -14.2 | -6.0 | -3.3 | 1.0 | 6.1 | 13.9 | 18.8 | 18.4 | 14.6 | 5.8 | -5.0 | -9.4 |
| 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 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.2 | 8.6 | 7.1 | 7.5 | 8.8 | 6.1 | 9.8 | 7.6 | 8.7 | 7.5 | 5.9 |
| Precipitation (mm) | 39 | 27 | 53 | 104 | 192 | 246 | 419 | 363 | 171 | 12 | 90 | 73 |
| Sunny days | 22 | 20 | 24 | 12 | 10 | 12 | 3 | 5 | 6 | 24 | 19 | 16 |
| Rainy days | 4 | 8 | 7 | 18 | 21 | 18 | 28 | 26 | 24 | 7 | 11 | 10 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Gosan during the most sunny months:
The largest precipitation sum in Gosan is at