Average annual temperature is 13.7 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 191 days
Number of rainy days: 169 days
Number of snow days: 5 days
Look at detailed online map of Seongcheon
* Weather data for Seongcheon 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) | 16.1 | 14.4 | 23.7 | 27.2 | 30.8 | 32.5 | 33.7 | 33.7 | 29.2 | 22.3 | 25.3 | 18.5 |
| Average daytime temperature (°C) | 5.0 | 8.8 | 16.4 | 18.5 | 22.0 | 26.9 | 29.0 | 29.4 | 25.3 | 19.9 | 12.9 | 7.0 |
| Average temperature (°C) | 0.2 | 3.4 | 10.1 | 13.1 | 17.2 | 22.0 | 25.2 | 25.7 | 21.9 | 14.9 | 7.9 | 2.8 |
| Average night temperature (°C) | -3.8 | -0.7 | 5.1 | 8.1 | 12.8 | 18.1 | 22.1 | 22.8 | 19.1 | 10.6 | 3.3 | -0.8 |
| Absolute minimum temperature (°C) | -15.0 | -5.8 | -2.6 | 2.1 | 5.4 | 14.6 | 18.0 | 20.5 | 14.7 | 5.9 | -6.1 | -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) | 7.8 | 7.5 | 9.0 | 8.6 | 8.0 | 9.1 | 8.1 | 8.8 | 7.1 | 8.8 | 7.8 | 6.9 |
| Precipitation (mm) | 34 | 33 | 62 | 59 | 152 | 162 | 210 | 225 | 191 | 6 | 35 | 107 |
| Sunny days | 24 | 18 | 20 | 16 | 16 | 13 | 4 | 4 | 6 | 22 | 24 | 24 |
| Rainy days | 4 | 8 | 11 | 14 | 15 | 17 | 27 | 27 | 24 | 9 | 6 | 7 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seongcheon is at