Average annual temperature is 11.4 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 146 days
Number of rainy days: 198 days
Number of snow days: 21 days
Look at detailed online map of Sandeok
* Weather data for Sandeok 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) | 13.8 | 10.6 | 19.2 | 22.9 | 27.0 | 28.5 | 29.9 | 30.7 | 27.7 | 19.6 | 20.8 | 15.1 |
| Average daytime temperature (°C) | 1.2 | 5.4 | 12.8 | 15.0 | 19.6 | 24.2 | 26.2 | 27.4 | 23.9 | 16.6 | 9.4 | 4.1 |
| Average temperature (°C) | -2.8 | 0.5 | 7.5 | 10.1 | 15.5 | 19.8 | 23.0 | 23.7 | 20.1 | 12.5 | 5.2 | 0.6 |
| Average night temperature (°C) | -6.6 | -3.0 | 3.4 | 5.7 | 11.9 | 16.3 | 20.6 | 20.8 | 17.2 | 9.0 | 1.5 | -2.5 |
| Absolute minimum temperature (°C) | -17.7 | -9.9 | -6.5 | -3.7 | 4.8 | 12.4 | 18.2 | 18.5 | 11.1 | 4.0 | -8.8 | -14.1 |
| 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) | 7.1 | 7.3 | 8.8 | 7.9 | 8.0 | 9.2 | 6.9 | 9.7 | 7.6 | 8.7 | 7.7 | 6.1 |
| Precipitation (mm) | 48 | 34 | 59 | 118 | 170 | 208 | 425 | 330 | 216 | 21 | 104 | 116 |
| Sunny days | 16 | 17 | 20 | 12 | 13 | 9 | 0 | 3 | 6 | 20 | 16 | 14 |
| Rainy days | 4 | 8 | 11 | 18 | 18 | 21 | 31 | 28 | 24 | 11 | 13 | 11 |
| Snow days | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Sandeok is at