Average annual temperature is 14.9 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 206 days
Number of rainy days: 157 days
Number of snow days: 2 days
Look at detailed online map of Kosun
* Weather data for Kosun 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) | 12.9 | 12.0 | 21.6 | 20.8 | 22.3 | 25.8 | 32.3 | 33.0 | 29.3 | 23.6 | 22.2 | 15.7 |
| Average daytime temperature (°C) | 6.1 | 8.2 | 12.8 | 15.9 | 18.8 | 23.1 | 26.7 | 29.0 | 26.4 | 20.8 | 13.8 | 8.5 |
| Average temperature (°C) | 3.1 | 5.1 | 9.9 | 13.3 | 17.0 | 21.3 | 24.4 | 26.6 | 23.6 | 17.2 | 10.5 | 5.5 |
| Average night temperature (°C) | -0.7 | 1.5 | 6.9 | 10.6 | 15.5 | 19.8 | 22.7 | 24.6 | 21.0 | 13.6 | 6.8 | 2.1 |
| Absolute minimum temperature (°C) | -9.2 | -1.9 | 1.0 | 5.3 | 10.0 | 16.1 | 19.0 | 23.2 | 16.9 | 10.1 | -1.0 | -6.3 |
| 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) | 7.7 | 7.5 | 8.6 | 7.8 | 7.8 | 8.6 | 6.9 | 10.1 | 8.1 | 8.8 | 8.1 | 7.2 |
| Precipitation (mm) | 49 | 43 | 66 | 160 | 210 | 229 | 382 | 307 | 268 | 13 | 48 | 80 |
| Sunny days | 26 | 19 | 22 | 14 | 15 | 13 | 9 | 9 | 10 | 24 | 24 | 21 |
| Rainy days | 5 | 9 | 9 | 16 | 16 | 17 | 22 | 22 | 20 | 7 | 6 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Kosun is at