Average annual temperature is 13.1 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 182 days
Number of rainy days: 172 days
Number of snow days: 11 days
Look at detailed online map of Seongnae
* Weather data for Seongnae 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) | 13.4 | 11.6 | 24.9 | 26.3 | 32.8 | 35.1 | 33.0 | 33.8 | 29.9 | 21.7 | 23.3 | 17.0 |
| Average daytime temperature (°C) | 2.9 | 6.7 | 16.0 | 19.2 | 24.9 | 28.9 | 29.2 | 30.3 | 26.0 | 19.0 | 10.7 | 5.1 |
| Average temperature (°C) | -1.9 | 1.0 | 8.9 | 12.8 | 18.9 | 23.1 | 25.3 | 25.9 | 21.9 | 13.7 | 5.8 | 1.1 |
| Average night temperature (°C) | -6.2 | -3.4 | 2.8 | 7.2 | 13.3 | 18.1 | 22.2 | 22.1 | 18.2 | 8.7 | 1.2 | -2.7 |
| Absolute minimum temperature (°C) | -16.8 | -7.9 | -4.9 | -0.2 | 4.7 | 13.1 | 19.2 | 16.3 | 11.1 | 3.0 | -8.1 | -14.0 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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 | 7.8 | 9.1 | 7.6 | 8.4 | 10.2 | 7.3 | 9.3 | 7.3 | 8.5 | 7.2 | 5.7 |
| Precipitation (mm) | 31 | 3 | 27 | 73 | 143 | 149 | 453 | 426 | 290 | 21 | 76 | 86 |
| Sunny days | 18 | 22 | 24 | 13 | 19 | 11 | 5 | 6 | 8 | 22 | 18 | 16 |
| Rainy days | 9 | 5 | 7 | 17 | 12 | 19 | 26 | 25 | 22 | 9 | 12 | 9 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Seongnae during the most sunny months:
The largest precipitation sum in Seongnae is at