Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 173 days
Number of rainy days: 172 days
Number of snow days: 20 days
Look at detailed online map of Kosan-dong
* Weather data for Kosan-dong 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) | 11.4 | 10.5 | 22.0 | 23.0 | 29.5 | 30.3 | 31.5 | 32.4 | 28.0 | 20.5 | 21.5 | 14.9 |
| Average daytime temperature (°C) | -0.2 | 5.3 | 13.3 | 16.1 | 21.8 | 25.4 | 27.7 | 28.6 | 24.4 | 17.1 | 8.3 | 2.3 |
| Average temperature (°C) | -4.8 | 0.0 | 7.2 | 10.6 | 16.5 | 20.5 | 23.7 | 24.3 | 20.4 | 12.2 | 3.6 | -1.4 |
| Average night temperature (°C) | -9.4 | -3.6 | 1.9 | 5.9 | 11.6 | 16.3 | 20.7 | 21.0 | 17.2 | 8.3 | -0.5 | -4.5 |
| Absolute minimum temperature (°C) | -20.0 | -8.1 | -6.3 | -1.5 | 3.7 | 12.0 | 17.1 | 16.5 | 11.1 | 1.7 | -10.5 | -16.8 |
| 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 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.0 | 8.0 | 9.3 | 7.8 | 9.0 | 9.9 | 7.4 | 9.0 | 7.3 | 8.3 | 7.4 | 5.8 |
| Precipitation (mm) | 32 | 3 | 23 | 98 | 141 | 214 | 723 | 353 | 218 | 20 | 74 | 104 |
| Sunny days | 18 | 22 | 20 | 14 | 18 | 10 | 4 | 6 | 8 | 21 | 16 | 16 |
| Rainy days | 5 | 3 | 11 | 16 | 13 | 20 | 27 | 25 | 22 | 10 | 12 | 8 |
| Snow days | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Kosan-dong is at