Weather in Sejong, South Korea

Friday 20 November 2026

2°

Light snow

Feels like -2°

High
3°
Low
-4°
Humidity
68%
Wind
11 km/h

Temperature and rain / Sejong

The coming days

High

19°

Low

-4°

Average high

11.9°

Average low

2.2°

Total rain

23.7 mm

Average rain

1.6 mm

Air quality - Sejong

Particles and ozone

Good
10.40 µg/m³
0-1212-3535-5555+

The air is clean: enjoy the outdoors.

PM1010.80µg/m³
Ozone35µg/m³
Data updated hourly

Other cities

Weather in the country's main cities

Frequently asked questions

Quick answers about the weather in Sejong

Tomorrow in Sejong, expect Few clouds 🌤️, with:\n\n- High of 16°\n- Low of 4°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-10