Average annual temperature is 12.4 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -17.2 °C
Number of sunny days: 207 days
Number of rainy days: 149 days
Number of snow days: 9 days
Look at detailed online map of Uisan
* Weather data for Uisan 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) | 11.7 | 12.9 | 23.3 | 24.6 | 31.3 | 33.4 | 33.3 | 34.5 | 29.7 | 21.6 | 24.8 | 16.1 |
| Average daytime temperature (°C) | 2.8 | 7.5 | 15.9 | 18.2 | 23.4 | 27.6 | 29.1 | 30.0 | 25.7 | 19.1 | 11.0 | 4.6 |
| Average temperature (°C) | -2.2 | 1.2 | 8.3 | 11.7 | 17.5 | 22.0 | 24.7 | 25.6 | 21.3 | 12.8 | 5.3 | 0.1 |
| Average night temperature (°C) | -6.2 | -3.2 | 1.4 | 5.2 | 11.5 | 16.9 | 21.2 | 21.8 | 17.4 | 7.5 | 0.3 | -3.4 |
| Absolute minimum temperature (°C) | -17.2 | -7.2 | -5.3 | -1.2 | 2.9 | 12.5 | 17.3 | 16.0 | 11.1 | 1.9 | -8.0 | -13.4 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 7.4 | 7.8 | 9.4 | 8.3 | 8.7 | 10.0 | 7.7 | 9.0 | 7.7 | 8.7 | 7.7 | 6.2 |
| Precipitation (mm) | 36 | 9 | 28 | 89 | 138 | 211 | 505 | 322 | 241 | 19 | 44 | 99 |
| Sunny days | 23 | 23 | 22 | 16 | 19 | 10 | 8 | 11 | 12 | 24 | 19 | 20 |
| Rainy days | 4 | 4 | 9 | 14 | 12 | 20 | 23 | 20 | 18 | 7 | 11 | 7 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Uisan is at