Location & Surroundings

Cheonan is a city in Chungcheongnam-do, South Korea with 658,831 inhabitants, at 40 m elevation. The national capital Seoul is 86 km to the north. The nearest airport is Pyongtaek Ab, 20 km away.

Also known as: 천안시 · 天安市 · تشونان · Чхонан · چئونان · Thiên-ôn-sṳ

Overview

Cheonan is big city of South Korea — KO 대한민국 충청남도의 도시.

It is located in South Chungcheong, South Korea.

The population is about 656,583 (2023).

It covers about 636 square kilometre.

The elevation is around 22 metre.

Also known as: JA チョナン市

Media

Image

Image Cheonan landscape.jpg

Locator map

Locator map South Chungcheong-Cheonan.svg

Banner

Banner Cheonan banner.jpg

Basic Data

  • Country South Korea
  • Located in South Chungcheong
  • Area 636 square kilometre
  • Type populated place (PPL)
  • a city, town, village, or other agglomeration of buildings where people live and work

Geography

  • Coordinates
    36° 48' 23" N, 127° 9' 8" E
  • Elevation DEM: 40 m
  • Timezone Asia/Seoul
  • Time Shift GMT 9 (DST 9)

Statistics & Country

  • Population 658,831
  • Pop. Density 9,200 p/km²
  • Built-up 41.6%
  • Settlement Urban centre
  • Currency Won (KRW)
  • Phone Prefix +82

Sun & Local Time

Subdivisions

Alternate Names

ko
천안시
ko zh ja
天安市
ar
تشونان
ru uk
Чхонан
fa
چئونان
hak
Thiên-ôn-sṳ
mn
Чонань
ur
چیونان
et
Ch'ŏnan
Ch’ŏnan
Thyen-ān
Tenan
천안
cs
Čchonan

Weather in Cheonan

Current conditions and a 3-day (72-hour) weather forecast for Cheonan, updated from the NOAA GFS model.

Now 21.1 C with mostly clear skies and a 3.3 m/s north-westerly wind. Next 24h: 11.3 to 22.4 C, max wind 3.3 m/s. No precipitation expected. Solar peaks near 647 W/m2.

Temperature
21.1 C
Wind
3.3 m/s NW (302 deg)
Humidity
39 %
Pressure
1,021.5 hPa
Clouds
0 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a

Hour Temp (C) Wind (m/s) Dir (deg) RH (%) Pressure (hPa) Precip (step/total mm) Clouds (%) Solar (W/m2) UV-B (W/m2)
NOW 21.1 3.3 302 39 1,021.5 - / 0.00 0 0.0 n/a
6h 13.2 0.8 270 68 1,024.0 0.00 / 0.00 0 125.1 n/a
12h 11.3 1.0 141 71 1,024.8 0.00 / 0.00 0 0.0 n/a
18h 15.9 1.2 113 57 1,025.9 0.00 / 0.00 0 74.8 n/a
Tomorrow 22.4 1.6 314 37 1,023.0 0.00 / 0.00 0 647.1 n/a
30h 14.1 0.6 300 64 1,024.2 0.00 / 0.00 0 122.0 n/a
36h 12.3 0.7 117 69 1,023.6 0.00 / 0.00 0 0.0 n/a
42h 16.8 1.0 116 58 1,024.6 0.00 / 0.00 78 71.5 n/a
Friday 22.6 1.8 307 42 1,021.0 0.00 / 0.00 91 571.8 n/a
54h 14.5 0.2 220 80 1,021.9 0.00 / 0.00 77 109.5 n/a
60h 12.7 0.9 73 78 1,021.0 0.00 / 0.00 1 0.0 n/a
66h 17.3 1.2 101 60 1,021.5 0.00 / 0.00 0 71.8 n/a
Saturday 24.1 2.4 310 39 1,018.4 0.00 / 0.00 5 629.3 n/a
Source: NOAA GFS 0.25° (run 2026-10-07 06:00 UTC).

FAQ

What is the current weather and next 24-hour outlook in Cheonan?
Now 21.1 C with mostly clear skies and a 3.3 m/s north-westerly wind. Next 24h: 11.3 to 22.4 C, max wind 3.3 m/s. No precipitation expected. Solar peaks near 647 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Cheonan today?
Sunrise around 06:31 and sunset around 18:06 (local time). Day length about 11h 35m.
What is the local time in Cheonan?
Local time is 01:14. Time zone: Asia/Seoul (UTC+09:00).
What type of place is Cheonan?
Cheonan is a populated place.
How many people live in Cheonan?
Population about 658,831.
What is the elevation of Cheonan?
DEM 40 m.
Where is Cheonan located?
It is at 36.80650, 127.15220 (latitude, longitude).
Which country is Cheonan in?
It is in South Korea.

Links

Sources

Last updated 2025-04-01
geonames https://www.geonames.org/1845759
Web

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