Average annual temperature is 14.3 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 155 days
Number of rainy days: 195 days
Number of snow days: 15 days
Look at detailed online map of Unsan
* Weather data for Unsan 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) | 16.3 | 12.3 | 24.1 | 24.7 | 30.6 | 34.2 | 32.8 | 34.4 | 31.3 | 22.6 | 25.0 | 18.7 |
| Average daytime temperature (°C) | 4.6 | 7.5 | 15.8 | 18.9 | 23.7 | 27.6 | 29.5 | 30.7 | 26.9 | 20.4 | 12.9 | 7.4 |
| Average temperature (°C) | 0.2 | 2.2 | 9.2 | 13.3 | 18.5 | 22.5 | 26.0 | 26.6 | 22.9 | 15.8 | 8.8 | 4.2 |
| Average night temperature (°C) | -4.4 | -2.0 | 4.3 | 8.7 | 14.2 | 18.9 | 23.3 | 23.4 | 19.3 | 11.5 | 4.8 | 0.9 |
| Absolute minimum temperature (°C) | -14.1 | -5.1 | -3.0 | 1.7 | 6.1 | 14.6 | 20.5 | 17.1 | 14.1 | 8.2 | -3.1 | -9.7 |
| 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 | 14.3 | 13.5 | 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) | 7.0 | 7.4 | 8.9 | 7.6 | 8.0 | 9.2 | 6.8 | 9.7 | 7.8 | 8.6 | 6.6 | 5.0 |
| Precipitation (mm) | 32 | 10 | 26 | 71 | 149 | 142 | 441 | 216 | 183 | 19 | 90 | 118 |
| Sunny days | 16 | 20 | 25 | 14 | 12 | 14 | 1 | 5 | 9 | 20 | 10 | 9 |
| Rainy days | 11 | 8 | 6 | 16 | 19 | 16 | 30 | 26 | 21 | 11 | 19 | 12 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 |
The best time to visit Unsan during the most sunny months:
The largest precipitation sum in Unsan is at