Average annual temperature is 12.6 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 198 days
Number of rainy days: 154 days
Number of snow days: 13 days
Look at detailed online map of Sandui
* Weather data for Sandui 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) | 6.6 | 5.6 | 11.7 | 15.2 | 20.0 | 25.5 | 28.6 | 31.1 | 28.1 | 22.6 | 19.9 | 12.6 |
| Average daytime temperature (°C) | 1.2 | 2.9 | 7.0 | 11.5 | 15.9 | 20.5 | 24.7 | 27.1 | 24.7 | 19.1 | 10.6 | 4.5 |
| Average temperature (°C) | -0.7 | 1.2 | 5.4 | 10.1 | 14.7 | 19.2 | 23.8 | 25.8 | 23.2 | 17.2 | 8.0 | 2.4 |
| Average night temperature (°C) | -3.5 | -0.8 | 3.4 | 8.8 | 13.5 | 18.1 | 22.9 | 24.4 | 21.6 | 14.7 | 5.0 | -0.4 |
| Absolute minimum temperature (°C) | -13.4 | -4.2 | 0.2 | 6.6 | 10.2 | 15.2 | 20.4 | 22.1 | 18.3 | 12.0 | -3.6 | -10.5 |
| 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) | 7.1 | 8.6 | 9.2 | 7.8 | 8.8 | 9.7 | 7.9 | 9.0 | 7.9 | 8.3 | 7.2 | 6.0 |
| Precipitation (mm) | 51 | 4 | 40 | 93 | 148 | 189 | 297 | 278 | 99 | 43 | 86 | 76 |
| Sunny days | 19 | 26 | 24 | 15 | 18 | 17 | 10 | 13 | 12 | 15 | 13 | 16 |
| Rainy days | 6 | 2 | 7 | 15 | 13 | 13 | 21 | 18 | 18 | 16 | 16 | 9 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Sandui is at