Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 194 days
Number of rainy days: 156 days
Number of snow days: 15 days
Look at detailed online map of Siheunggol
* Weather data for Siheunggol 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) | 10.1 | 8.9 | 18.5 | 21.7 | 26.5 | 29.5 | 29.6 | 34.6 | 29.3 | 22.2 | 22.0 | 14.7 |
| Average daytime temperature (°C) | 1.3 | 3.7 | 10.6 | 15.1 | 19.9 | 22.5 | 26.4 | 27.9 | 24.8 | 18.9 | 10.2 | 4.6 |
| Average temperature (°C) | -1.3 | 1.0 | 6.9 | 11.4 | 16.4 | 20.1 | 24.4 | 25.9 | 22.7 | 16.0 | 7.3 | 1.8 |
| Average night temperature (°C) | -4.9 | -2.2 | 3.2 | 8.6 | 13.6 | 18.1 | 22.8 | 23.9 | 20.3 | 12.6 | 3.9 | -1.4 |
| Absolute minimum temperature (°C) | -14.4 | -5.7 | -1.2 | 3.5 | 7.5 | 14.8 | 20.2 | 19.9 | 16.1 | 8.4 | -4.6 | -11.4 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 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) | 7.2 | 8.6 | 9.5 | 8.0 | 8.8 | 9.6 | 7.9 | 8.8 | 7.7 | 8.1 | 7.0 | 5.7 |
| Precipitation (mm) | 38 | 2 | 13 | 96 | 186 | 176 | 346 | 248 | 170 | 49 | 103 | 91 |
| Sunny days | 19 | 26 | 25 | 15 | 19 | 17 | 7 | 12 | 7 | 17 | 16 | 14 |
| Rainy days | 6 | 2 | 6 | 15 | 12 | 13 | 24 | 19 | 23 | 14 | 14 | 8 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
The largest precipitation sum in Siheunggol is at