Average annual temperature is 12.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -15.7 °C
Number of sunny days: 192 days
Number of rainy days: 164 days
Number of snow days: 9 days
Look at detailed online map of Sŏnggi
* Weather data for Sŏnggi 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) | 12.9 | 13.6 | 21.7 | 25.9 | 30.0 | 32.5 | 32.3 | 33.5 | 28.6 | 21.9 | 23.8 | 16.0 |
| Average daytime temperature (°C) | 3.8 | 7.6 | 15.3 | 17.5 | 21.9 | 27.3 | 28.1 | 29.4 | 25.5 | 19.2 | 11.6 | 6.0 |
| Average temperature (°C) | -0.7 | 2.0 | 8.7 | 11.5 | 16.8 | 21.8 | 24.3 | 25.2 | 21.3 | 13.1 | 6.3 | 1.5 |
| Average night temperature (°C) | -4.5 | -2.1 | 3.0 | 5.9 | 12.0 | 17.0 | 21.4 | 21.8 | 17.7 | 8.1 | 1.9 | -2.0 |
| Absolute minimum temperature (°C) | -15.7 | -7.8 | -3.9 | -0.6 | 3.9 | 13.4 | 17.6 | 17.2 | 12.6 | 2.1 | -7.1 | -11.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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) | 7.2 | 7.5 | 8.8 | 8.0 | 7.9 | 9.5 | 7.2 | 9.4 | 7.6 | 9.0 | 7.6 | 6.6 |
| Precipitation (mm) | 37 | 22 | 35 | 71 | 115 | 175 | 404 | 300 | 203 | 7 | 74 | 88 |
| Sunny days | 24 | 20 | 22 | 13 | 17 | 12 | 5 | 9 | 10 | 23 | 20 | 17 |
| Rainy days | 4 | 7 | 9 | 17 | 14 | 18 | 26 | 22 | 20 | 8 | 10 | 9 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Sŏnggi is at