Average annual temperature is 12.6 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -22.6 °C
Number of sunny days: 192 days
Number of rainy days: 161 days
Number of snow days: 12 days
Look at detailed online map of Kusan
* Weather data for Kusan 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) | 11.9 | 10.0 | 22.9 | 26.9 | 29.8 | 35.2 | 33.4 | 33.5 | 31.0 | 21.9 | 23.2 | 15.8 |
| Average daytime temperature (°C) | 1.5 | 6.3 | 14.8 | 18.2 | 23.7 | 26.9 | 29.2 | 29.7 | 26.2 | 18.9 | 9.7 | 4.2 |
| Average temperature (°C) | -3.4 | 0.7 | 7.9 | 12.4 | 18.1 | 22.2 | 25.7 | 26.0 | 22.3 | 14.1 | 5.2 | 0.0 |
| Average night temperature (°C) | -8.5 | -3.9 | 1.8 | 7.6 | 13.3 | 18.3 | 22.9 | 22.9 | 18.9 | 9.8 | 0.9 | -3.9 |
| Absolute minimum temperature (°C) | -22.6 | -7.3 | -4.5 | 0.6 | 5.7 | 13.9 | 20.0 | 17.8 | 11.2 | 3.9 | -7.3 | -14.4 |
| 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 | 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 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.2 | 8.2 | 9.2 | 7.4 | 8.9 | 9.1 | 7.4 | 8.2 | 7.5 | 8.1 | 6.9 | 6.0 |
| Precipitation (mm) | 41 | 1 | 17 | 99 | 142 | 219 | 481 | 317 | 144 | 27 | 115 | 81 |
| Sunny days | 19 | 25 | 23 | 14 | 22 | 12 | 6 | 10 | 9 | 18 | 16 | 18 |
| Rainy days | 6 | 2 | 8 | 16 | 9 | 18 | 25 | 21 | 21 | 13 | 12 | 10 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Kusan is at