Location & Surroundings
Sanmun is a settlement in Incheon, South Korea, at 108 m elevation. The nearest larger town is Ganghwa-gun, 9 km to the northeast. The national capital Seoul is 50 km to the east. The nearest airport is Incheon International, 24 km away.
Also known as: 산문
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
37° 40' 59" N, 126° 25' 58" E
- Elevation DEM: 108 m
- Timezone Asia/Seoul
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 127 p/km²
- Built-up 1.0%
- Settlement Low density rural
- Currency Won (KRW)
- Phone Prefix +82
Sun & Local Time
- Local time 20:18
- Sunrise 06:26
- Sunset 18:22
- Day length 11 h 56 min
Other populated places nearby
Nearby
Alternate Names
Weather in Sanmun
Current conditions and a 3-day (72-hour) weather forecast for Sanmun, updated from the NOAA GFS model.
Now 18.0 C with mostly clear skies and a 2.6 m/s northerly wind. Next 24h: 18.0 to 22.7 C, max wind 3.0 m/s. No precipitation expected. Solar peaks near 683 W/m2.
Temperature
18.0 C
Wind
2.6 m/s N (19 deg)
Humidity
67 %
Pressure
1,014.9 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 | 18.0 | 2.6 | 19 | 67 | 1,014.9 | - / 0.00 | 0 | 0.0 | n/a |
| 6h | 22.7 | 3.0 | 282 | 48 | 1,012.6 | 0.00 / 0.00 | 0 | 683.2 | n/a |
| 12h | 19.0 | 2.0 | 298 | 67 | 1,013.4 | 0.00 / 0.00 | 0 | 150.4 | n/a |
| 18h | 18.7 | 1.1 | 215 | 67 | 1,013.8 | 0.00 / 0.00 | 5 | 0.0 | n/a |
| Tomorrow | 21.2 | 2.6 | 198 | 65 | 1,014.8 | 0.00 / 0.00 | 2 | 75.3 | n/a |
| 30h | 23.1 | 7.4 | 238 | 62 | 1,012.1 | 0.02 / 0.02 | 82 | 645.6 | n/a |
| 36h | 16.8 | 7.4 | 325 | 62 | 1,015.3 | 0.78 / 0.80 | 92 | 107.2 | n/a |
| 42h | 15.4 | 5.6 | 333 | 40 | 1,016.4 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| Thursday | 16.6 | 2.7 | 310 | 34 | 1,018.3 | 0.00 / 0.00 | 0 | 81.7 | n/a |
| 54h | 20.9 | 7.6 | 305 | 36 | 1,016.0 | 0.00 / 0.00 | 10 | 682.9 | n/a |
| 60h | 15.6 | 5.7 | 323 | 51 | 1,020.2 | 0.00 / 0.00 | 0 | 146.1 | n/a |
| 66h | 13.6 | 4.1 | 333 | 47 | 1,021.1 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| Friday | 15.6 | 4.0 | 333 | 45 | 1,023.3 | 0.00 / 0.00 | 0 | 80.1 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-29 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Sanmun?
Now 18.0 C with mostly clear skies and a 2.6 m/s northerly wind. Next 24h: 18.0 to 22.7 C, max wind 3.0 m/s. No precipitation expected. Solar peaks near 683 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 Sanmun today?
Sunrise around 06:26 and sunset around 18:22 (local time). Day length about 11h 56m.
What is the local time in Sanmun?
Local time is 20:18. Time zone: Asia/Seoul (UTC+09:00).
What type of place is Sanmun?
Sanmun is a populated place.
What is the elevation of Sanmun?
DEM 108 m.
Where is Sanmun located?
It is at 37.68292, 126.43278 (latitude, longitude).
Which country is Sanmun in?
It is in South Korea.