Yes

Based on the weather in Seoul, South Korea as of January 28, 2022 2:57am local time

Why? Because it's colder than cold. Water will freeze.

Now

Partly Cloudy
Temp: 24°F-5°C
Wind: 5 MPH7 KPH
Precipitation: None

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Clear throughout the day.
Low of 19°F-7°C, High of 35°F2°C
Wind: 6 MPH10 KPH
Precipitation: None