Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 177 days
Number of rainy days: 183 days
Number of snow days: 5 days
Look at detailed online map of Kosan-gol
* Weather data for Kosan-gol 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 | 14.0 | 23.4 | 25.6 | 33.6 | 33.5 | 34.4 | 34.6 | 29.7 | 21.8 | 24.6 | 17.0 |
| Average daytime temperature (°C) | 3.6 | 7.7 | 16.6 | 18.5 | 23.5 | 28.2 | 29.5 | 30.3 | 26.0 | 19.3 | 11.6 | 5.6 |
| Average temperature (°C) | -0.8 | 2.3 | 10.1 | 12.7 | 18.2 | 22.6 | 25.4 | 26.1 | 22.0 | 14.4 | 6.8 | 1.9 |
| Average night temperature (°C) | -4.7 | -1.9 | 4.4 | 7.6 | 13.4 | 18.2 | 22.3 | 22.8 | 18.6 | 10.3 | 2.2 | -1.5 |
| Absolute minimum temperature (°C) | -16.0 | -7.1 | -3.7 | 0.8 | 4.1 | 15.4 | 18.0 | 19.9 | 13.6 | 4.3 | -7.5 | -12.5 |
| 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) | 7.6 | 7.4 | 8.8 | 8.2 | 8.5 | 9.7 | 7.6 | 9.2 | 7.5 | 8.7 | 7.9 | 6.6 |
| Precipitation (mm) | 32 | 14 | 50 | 67 | 145 | 192 | 360 | 260 | 243 | 10 | 63 | 89 |
| Sunny days | 21 | 18 | 19 | 16 | 18 | 10 | 3 | 5 | 7 | 20 | 19 | 21 |
| Rainy days | 7 | 10 | 12 | 14 | 13 | 20 | 28 | 26 | 23 | 11 | 11 | 8 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Kosan-gol is at