Average annual temperature is 13.0 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -17.8 °C
Number of sunny days: 183 days
Number of rainy days: 172 days
Number of snow days: 10 days
Look at detailed online map of Sungseon
* Weather data for Sungseon 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) | 12.4 | 11.8 | 23.9 | 26.3 | 32.6 | 33.9 | 33.6 | 34.2 | 30.3 | 21.9 | 23.6 | 17.6 |
| Average daytime temperature (°C) | 2.1 | 7.0 | 15.7 | 19.0 | 24.9 | 28.2 | 29.8 | 30.5 | 26.3 | 19.1 | 10.6 | 4.8 |
| Average temperature (°C) | -2.8 | 1.1 | 8.5 | 12.7 | 18.7 | 22.8 | 25.6 | 26.2 | 22.3 | 13.7 | 5.5 | 0.6 |
| Average night temperature (°C) | -7.6 | -3.2 | 1.9 | 6.9 | 12.9 | 17.9 | 22.3 | 22.7 | 18.8 | 9.0 | 0.6 | -3.2 |
| Absolute minimum temperature (°C) | -17.8 | -6.9 | -5.0 | 0.4 | 4.0 | 13.2 | 19.4 | 18.1 | 12.9 | 3.3 | -7.9 | -13.9 |
| 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 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 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) | 7.0 | 7.9 | 9.2 | 7.6 | 8.5 | 9.8 | 7.4 | 8.7 | 7.1 | 7.8 | 7.3 | 6.0 |
| Precipitation (mm) | 35 | 2 | 27 | 77 | 133 | 164 | 466 | 381 | 226 | 26 | 78 | 90 |
| Sunny days | 18 | 23 | 21 | 14 | 21 | 8 | 6 | 7 | 10 | 20 | 17 | 18 |
| Rainy days | 8 | 4 | 10 | 16 | 10 | 22 | 25 | 24 | 20 | 11 | 12 | 10 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Sungseon is at